1.
Aztec
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The Aztec people were certain ethnic groups of central Mexico, particularly those groups who spoke the Nahuatl language and who dominated large parts of Mesoamerica from the 14th to 16th centuries. The Nahuatl words aztecatl and aztecah mean people from Aztlan, a place for the Nahuatl-speaking culture of the time. Often the term Aztec refers exclusively to the Mexica people of Tenochtitlan, situated on an island in Lake Texcoco, who referred to themselves as Mēxihcah Tenochcah or Cōlhuah Mexihcah. From the 13th century, the Valley of Mexico was the heart of Aztec civilization, here the capital of the Aztec Triple Alliance, the Triple Alliance formed a tributary empire expanding its political hegemony far beyond the Valley of Mexico, conquering other city states throughout Mesoamerica. At its pinnacle, Aztec culture had rich and complex mythological and religious traditions, as well as achieving remarkable architectural and artistic accomplishments. Subsequently, the Spanish founded the new settlement of Mexico City on the site of the ruined Aztec capital, the term extends to further ethnic groups associated with the Aztec empire such as the Acolhua and Tepanec and others that were incorporated into the empire. In older usage the term was used about modern Nahuatl speaking ethnic groups. In recent usage these ethnic groups are referred to as the Nahua peoples. Linguistically the term Aztecan is still used about the branch of the Uto-Aztecan languages that includes the Nahuatl language and its closest relatives Pochutec, to the Aztecs themselves the word aztec was not an endonym for any particular ethnic group. Rather it was a term used to refer to several ethnic groups, not all of them Nahuatl speaking. In the Nahuatl language aztecatl means person from Aztlan and this usage has been the subject of debate in more recent years, but the term Aztec is still more common. For the same reason the notion of Aztec civilization is best understood as a horizon of a general Mesoamerican civilization. Particular to the Aztecs of Tenochtitlan was the Mexica patron God Huitzilopochtli, twin pyramids, the Aztec Empire was a tribute empire based in Tenochtitlan that extended its power throughout Mesoamerica in the late postclassic period. Soon Texcoco and Tlacopan became junior partners in the alliance, which was de facto led by the Mexica of Tenochtitlan, the empire extended its power by a combination of trade and military conquest. The political clout of the empire reached far south into Mesoamerica conquering cities as far south as Chiapas and Guatemala, the Nahua peoples began to migrate into Mesoamerica from northern Mexico in the 6th century. They populated central Mexico, dislocating speakers of Oto-Manguean languages as they spread their influence south. As the former nomadic hunter-gatherer peoples mixed with the civilizations of Mesoamerica, adopting religious and cultural practices. During the Postclassic period they rose to power at such sites as Tula, in the 12th century the Nahua power center was in Azcapotzalco, from where the Tepanecs dominated the valley of Mexico
2.
Aztec mythology
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Aztec mythology is the body or collection of myths of Aztec civilization of Central Mexico. The Aztecs were Nahuatl-speaking groups living in central Mexico and much of their mythology is similar to that of other Mesoamerican cultures, according to legend, the various groups who were to become the Aztecs arrived from the north into the Anahuac valley around Lake Texcoco. The location of this valley and lake of destination is clear – it is the heart of modern Mexico City –, there are different accounts of their origin. In the myth the ancestors of the Mexica/Aztec came from a place in the north called Aztlan, other accounts cite their origin in Chicomoztoc, the place of the seven caves, or at Tamoanchan. The Mexica/Aztec were said to be guided by their god Huitzilopochtli, at an island in Lake Texcoco, they saw an eagle holding a rattlesnake in its talons, perched on a nopal cactus. This vision fulfilled a prophecy telling them that they should found their new home on that spot, the Aztecs built their city of Tenochtitlan on that site, building a great artificial island, which today is in the center of Mexico City. This legendary vision is pictured on the Coat of Arms of Mexico, to the Aztec, the Toltec were the originators of all culture, Toltecayotl was a synonym for culture. Aztec legends identify the Toltecs and the cult of Quetzalcoatl with the city of Tollan. Because the Aztec adopted and combined several traditions with their own earlier traditions, coatlicue was the mother of Centzon Huitznahua, her sons, and Coyolxauhqui, her daughter. She found a ball filled with feathers and placed it in her waistband and her other children became suspicious as to the identity of the father and vowed to kill their mother. She gave birth on Mount Coatepec, pursued by her children, but the newborn Huitzilopochtli defeated most of his brothers and he also killed his half-sister Coyolxauhqui by tearing out her heart using a Xiuhcoatl and throwing her body down the mountain. Our age, the age, or fifth creation, began in the ancient city of Teotihuacan. According to the myth, all the gods had gathered to sacrifice themselves, although the world and the sun had already been created, it would only be through their sacrifice that the sun would be set into motion and time as well as history could begin. The handsomest and strongest of the gods, Tecuciztecatl, was supposed to sacrifice himself but when it time to self-immolate. Instead, Nanahuatl the smallest and humblest of the gods, who was covered in boils, sacrificed himself first. The sun was set into motion with his sacrifice and time began, humiliated by Nanahuatls sacrifice, Tecuciztecatl too leaped into the fire and became the moon. Water deities Tlaloc, rain god Chalchiuhtlicue, goddess of water, lakes, rivers, seas, streams, horizontal waters, storms, Xipe-Totec, god of force, lord of the seasons and rebirth, ruler of the East. Quetzalcoatl, god of the life, the light and wisdom, lord of the winds, Huitzilopochtli, god of the war, lord of the sun and fire, ruler of the South
3.
Aztec warfare
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The Aztec state was centered on political expansion and dominance of and exaction of tribute from other city states, and warfare was the basic dynamic force in Aztec politics. Thus, only specifically chosen men served in the military, the sacrifice of war captives was an important part of many of the Aztec religious festivals. Warfare was thus the driving force of both the Aztec economy and religion. There were two main objectives in Aztec warfare, the first objective was political, the subjugation of enemy city states in order to exact tribute and expand Aztec political hegemony. The second objective was religious and socioeconomic, the taking of captives to be sacrificed in religious ceremonies and these dual objectives also influenced the kind of warfare practiced by the Aztecs. Warriors were essential to Aztec life and culture, at birth, an Aztec boy would receive two symbols of being a warrior. A shield would be placed in his hand, and an arrow would be placed in his right. After a short ceremony the newly born boys umbilical cord, shield and these parts would symbol the rise of a warrior. Each shield and arrow would be specifically for that boy and would resemble his family. These birth rituals show the importance of culture to the Aztecs. As for girls, at birth their umbilical cord would be buried usually under the family fireplace, since all boys starting at age 15 were trained to become warriors Aztec society as a whole had no standing army. Therefore, warriors would be drafted to a campaign through a Tequital, outside of battle, many warriors were farmers and tradesmen. They would learn their trade from their father, warriors would be married by their early twenties and would be a vital part of Aztec daily life. They would work a certain trade usually passed on through family status, warriors would be lower class citizens, that when called upon would engage in battle. Being a warrior did, however, present a way to move up in Aztec society, the warriors life was a chance to change ones social status. If they were successful as a warrior they would be presented with gifts, if they reached the rank of Eagle or Jaguar warrior they would be considered as nobles. They would also become full-time warriors working for the city-state to protect merchants and they resembled the police force of Aztec society. Aztec culture valued appearance, and appearance defined people within society, warriors had a very distinct appearance
4.
Aztec codices
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Aztec codices are books written by pre-Columbian and colonial-era Aztecs. These codices provide some of the best primary sources for Aztec culture, the pre-Columbian codices mostly do not in fact use the codex form and are, or originally were, long folded sheets. They also differ from European books in that they mostly consist of images and pictograms, the colonial era codices not only contain Aztec pictograms, but also Classical Nahuatl, Spanish, and occasionally Latin. Some are entirely in Nahuatl without pictorial content, although there are very few surviving pre-conquest codices, the tlacuilo tradition endured the transition to colonial culture, scholars now have access to a body of around 500 colonial-era codices. Colonial-era Nahuatl language documentation is the texts of the New Philology. The Codex Borbonicus is a written by Aztec priests around the time of the Spanish conquest of Mexico. Like all pre-Columbian Aztec codices, it was pictorial in nature. Codex Bornobicus is held at the Library of the National Assembly of France, the Boturini Codex was painted by an unknown Aztec author some time between 1530 and 1541, roughly a decade after the Spanish conquest of Mexico. Pictorial in nature, it tells the story of the legendary Aztec journey from Aztlán to the Valley of Mexico, rather than employing separate pages, the author used one long sheet of amatl, or fig bark, accordion-folded into 21½ pages. There is a rip in the middle of the 22nd page, unlike many other Aztec codices, the drawings are not colored, but rather merely outlined with black ink. Also known as Tira de la Peregrinación, it is named one of its first European owners. It is now held in the Museo Nacional de Antropología in Mexico City, the Codex Mendoza is a pictorial document, with Spanish annotations and commentary, composed circa 1541. It is divided into three sections, a history of each Aztec ruler and their conquests, a list of the tribute paid by each province. It is held in the Bodleian Library at the University of Oxford, the Florentine Codex is a set of 12 books created under the supervision of Bernardino de Sahagún between approximately 1540 and 1585. It is a copy of original materials which are now lost. Perhaps more than any source, the Florentine Codex has been the major source of Aztec life in the years before the Spanish conquest. Anderson published English translations of the Nahuatl text of the books in separate volumes. A full color, facsimile copy of the codex was published in three bound volumes in 1979
5.
Aztec Empire
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The Aztec Empire, or the Triple Alliance, began as an alliance of three Nahua altepetl city-states, Mexico-Tenochtitlan, Texcoco, and Tlacopan. The Triple Alliance was formed from the faction in a civil war fought between the city of Azcapotzalco and its former tributary provinces. Despite the initial conception of the empire as an alliance of three self-governed city-states, Tenochtitlan quickly became dominant militarily. By the time the Spanish arrived in 1519, the lands of the Alliance were effectively ruled from Tenochtitlan, the alliance waged wars of conquest and expanded rapidly after its formation. Aztec rule has been described by scholars as hegemonic or indirect, the Aztecs left rulers of conquered cities in power so long as they agreed to pay semi-annual tribute to the Alliance, as well as supply military forces when needed for the Aztec war efforts. In return, the imperial authority offered protection and political stability, the state religion of the empire was polytheistic, worshiping a diverse pantheon that included dozens of deities. Many had officially recognized cults large enough so that the deity was represented in the temple precinct of the capital Tenochtitlan. The imperial cult, specifically, was that of Huitzilopochtli, the distinctive warlike patron god of the Mexica, peoples in conquered provinces were allowed to retain and freely continue their own religious traditions, so long as they added the imperial god Huitzilopochtli to their local pantheons. The word Aztec in modern usage would not have used by the people themselves. The name comes from a Nahuatl word meaning people from Aztlan, for the purpose of this article, Aztec refers only to those cities that constituted or were subject to the Triple Alliance. For the broader use of the term, see the article on Aztec civilization, Nahua peoples descended from Chichimec peoples who migrated to central Mexico from the north in the early 13th century. According to the pictographic codices in which the Aztecs recorded their history, Early migrants settled the Basin of Mexico and surrounding lands by establishing a series of independent city-states. These early Nahua cities were ruled by petty kings called tlahtohqueh, most of the existing settlements, which had been established by other indigenous peoples before the Nahua migration, were assimilated into Nahua culture. These early city-states fought various small-scale wars with other, but due to shifting alliances. The Mexica were the last of Aztlan migrants to arrive in Central Mexico and they entered the Basin of Mexico around the year 1250 AD, and by then most of the good agricultural land had already been claimed. The Mexica persuaded the king of Culhuacan to allow them to settle in a relatively infertile patch of land called Chapultepec, the Mexica served as hired mercenaries for Culhuacan. After they served Culhuacan in battle, the appointed one of his daughters to rule over the Mexica. According to mythological native accounts, the Mexica instead sacrificed her by flaying her skin, when the king of Culhuacan learned of this, he attacked and used his army to drive the Mexica from Tizaapan by force
6.
Spanish conquest of the Aztec Empire
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The Spanish conquest of the Aztec Empire was one of the most significant events in the Spanish colonization of the Americas. Many of those on the Cortés expedition of 1519 had never seen combat before, in fact, Cortés had never commanded men in battle before. However, there was a generation of Spaniards who participated in expeditions in the Caribbean and Tierra Firme, learning strategy. The Spanish conquest of Mexico had antecedents with established practices, in their advance, the allies were tricked and ambushed several times by the people they encountered. When Cortés left Tenochtitlan to return to the coast and deal with the expedition of Pánfilo de Narváez, Alvarado allowed a significant Aztec feast to be celebrated in Tenochtitlan and on the pattern of the earlier massacre in Cholula, closed off the square and massacred the celebrating Aztec noblemen. The biography of Cortés by Francisco López de Gómara contains a description of the massacre, the Alvarado massacre at the Main Temple of Tenochtitlan precipitated rebellion by the population of the city. When the captured emperor Motecuhzoma II, now seen as a puppet of the invading Spaniards, attempted to calm the outraged populace. Cortés had returned to Tenochtitlan and his men fled the city during the Noche Triste in June,1520. The Spanish, Tlaxcalans and reinforcements returned a year later on August 13,1521 to a civilization that had wiped out by famine. This made it easier to conquer the remaining Aztecs, the fall of the Aztec Empire was the key event in the formation of the Spanish overseas empire, with New Spain, which later became Mexico, a major component. The Spanish conquerors could and did write accounts that narrated the conquest from the first landfalls in Mexico to the victory over the Mexica in Tenochtitlan on August 13,1521. Indigenous accounts are from particular native viewpoints and as the events had a impact on their polity. All accounts of the conquest, Spanish and indigenous alike, have biases, in general, Spanish accounts do not credit their indigenous allies support. Individual conquerors accounts exaggerate that individuals contribution to the conquest, downplaying other conquerors, indigenous allies accounts stress their loyalty to the Spanish and their particular aid as being key to the Spanish victory. Their accounts are similar to Spanish conquerors accounts contained in petitions for rewards and these were almost immediately published in Spain and later in other parts of Europe. Interestingly, Cortéss right-hand man, Pedro de Alvarado did not write at any length about his actions in the New World, two letters to Cortés about Alvarados campaigns in Guatemala are published in The Conquistadors. Rather than it being a petition for rewards for services, as many Spanish accounts were, the account was used by eighteenth-century Jesuit Francisco Javier Clavijero in his descriptions of the history of Mexico. On the indigenous side, the allies of Cortés, particularly the Tlaxcalans, wrote extensively about their services to the Spanish Crown in the conquest, the most important of these are the pictorial Lienzo de Tlaxcala and the Historia de Tlaxcala by Diego Muñoz Camargo
7.
Aztec religion
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The Aztec religion is the Mesoamerican religion of the Aztecs. Like other Mesoamerican religions, it had elements of human sacrifice in connection with a number of religious festivals which were held according to patterns of the Aztec calendar. Aztec cosmology divides the world into thirteen heavens and nine earthly layers or netherworlds each level associated with a set of deities. The concept of Teotl is central to the Aztecs, the term is often translated as god, but may have held more abstract aspects of divinity or supernatural energy akin to the Polynesian concept of Mana. The many gods of the Aztecs can be grouped into complexes related to different themes, other deities, for example Tezcatlipoca and Quetzalcoatl, had roots in earlier civilizations of Mesoamerica and were worshiped by many cultures and by many names. Some gods embodied aspects of nature, a large group of gods were related to pulque, drunkenness, excess, fun and games. Other gods were associated with specific trades, many gods had multiple aspects with different names, where each name highlighted a specific function or trait of the god. Occasionally, two gods were conflated into one, and quite often deities transformed into one another within a single story. Aztec images sometimes combined attributes of several divinities, nicholson classed the gods into three groups according to their conceptual meaning in general Mesoamerican religion. The first group he calls the Celestial creativity – Divine Paternalism group, the second, the earth-mother gods, the third group, the War-Sacrifice-Sanguinary Nourishment group contained such gods as Ome Tochtli, Huitzilopochtli, Mictlantecutli and Mixcoatl. Instead of Nicholsons subtle classification in the following a more impressionist classification is presented, on the state level, religion was controlled by the Tlatoani and the high priests governing the main temples in the ceremonial precinct of the Aztec capital of Tenochtitlan. For example, on the feast of Huey Tozoztli, the ruler himself ascended Mt. Tlaloc, throughout society, each level had their own rituals and deities and played their part in the larger rituals of the community. On the feast of Ochpaniztli, all participated in sweeping the streets. Huixachtlan, lit on the chest of a person by the high priests. The Tlatoani of Tenochtitlan was the head of the cult of Huitzilopochtli and he had special priestly duties in different rituals on the state level. However, the Aztec religious organization was not entirely under his authority, under these religious heads were many tiers of priests, priestesses, novices, nuns and monks who ran the cults of the various gods and goddesses. Sahagun reports that the priests had a strict training, and had to live very austere and ethical lives involving prolonged vigils, fasts. For instance, they often had to bleed themselves and undertake prescribed self-mortifications in the buildup to sacrificial rites, additionally, Sahagun refers to classes of religious specialists not affiliated with the established priesthood
8.
Aztec cuisine
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Aztec cuisine was the cuisine of the Aztec Empire and the Nahua peoples of the Valley of Mexico prior to European contact in 1519. The most important staple was corn, a crop that was so important to Aztec society that it played a part in their mythology. Just like wheat in much of Europe or rice in most of East Asia and it came in varieties that differed in color, texture, size and prestige, and was eaten as corn tortillas, tamales or ātōlli, maize gruel. The other constants of Aztec food were salt and chili peppers, the other major foods were beans and New World varieties of the grains amaranth, and chia. The combination of maize and these foods would have provided the average Aztec a very well-rounded diet without any significant deficiencies in vitamins or minerals. The cooking of maize grains in alkaline solutions, a process called nixtamalization, the elite took pride in not drinking pulque, a drink of commoners, and preferred drinks made from cacao, among the most prestigious luxuries available. Favored by rulers, warriors and nobles, they were flavored with peppers, honey. They also domesticated turkeys, duck and dogs as food and at times ate meat from wild animals such as deer. They ate various mushrooms and fungi, including the corn smut. Squash was very popular and came in different varieties. Squash seeds, fresh, dried or roasted, were especially popular, tomatoes, though different from the varieties common today, were often mixed with chili in sauces or as filling for tamales. Most sources describe two meals per day, though there is an account of laborers getting three meals, one at dawn, another one at around 9 in the morning and one at around 3 in the afternoon. This is similar to the custom in contemporary Europe, but it is unclear if intake of ātōlli, drinking a good amount of the thicker kinds of ātōlli could equal the calories in several corn tortillas, and ātōlli was consumed on a daily basis by most of the population. Many accounts exist of Aztec feasts and banquets and the ceremony that surrounded them, before a meal, servants presented fragrant tobacco tubes and sometimes also flowers with which the guests could rub their head, hands and neck. Before the meal would start each guest would drop a food on the ground as an offering to the god Tlaltecuhtli. As military prowess was highly praised among the Aztecs, table manners imitated the movement of warriors. The smoking tubes and flowers went from the hand of the servant to the right hand of the guest. This was an imitation of how a warrior received his atlatl darts, the flowers passed out bore different names depending on how they were handed out, sword flowers went from left hand to right and shield flowers went from right hand to left
9.
Aztec calendar stone
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The stone is 358 centimetres in diameter and 98 centimetres thick, and it weighs about 24 tons. Shortly after the Spanish conquest, the sculpture was buried in the Zócalo. It was rediscovered on December 17,1790 during repairs on the Mexico City Cathedral, following its rediscovery, the calendar stone was mounted on an exterior wall of the Cathedral, where it remained until 1885. Most scholars think that the stone was carved some time between 1502 and 1521, though some believe that it is several decades older than that, the sculpted motifs that cover the surface of the stone refer to central components of the Mexica cosmogony. In the center of the monolith is the face of the deity, Tonatiuh, which appears inside the glyph for movement. The central figure is holding a human heart in each of his clawed hands. The four squares that surround the central deity represent the four previous suns or eras, each era ended with the destruction of the world and humanity, which were then recreated in the next era. The top right square represents 4 Jaguar, the day on which the first era ended, after having lasted 676 years, due to the appearance of monsters that devoured all of humanity. The top left square shows 4 Wind, the date on which, after 364 years, hurricane winds destroyed the earth, the bottom left square shows 4 Rain. This era lasted 312 years, before being destroyed by a rain of fire, the bottom right square represents 4 Water, an era that lasted 676 years and ended when the world was flooded and all the humans were turned into fish. Placed among these four squares are three additional dates,1 Flint,1 Rain, and 7 Monkey, and a Xiuhuitzolli, or rulers turquoise diadem, glyph. It has been suggested that these dates may have had historical and cosmic significance, and that the diadem may form part of the name of the Mexica ruler Moctezuma II. The exact purpose and meaning of the Calendar Stone are unclear, archaeologists and historians have proposed numerous theories, and it is likely that there are several aspects to its interpretation. The earliest interpretations of the stone relate to its use as a calendar, in 1792, two years after the stones unearthing, Mexican anthropologist Antonio de León y Gama wrote a treatise on the Aztec calendar using the stone as its basis. Some of the circles of glyphs are the glyphs for the days of the month, the four symbols included in the Ollin glyph represent the four past suns that the Mexica believed the earth had passed through. Another aspect of the stone is its religious significance, one theory is that the face at the center of the stone represents Tonatiuh, the Aztec deity of the sun. It is for this reason that the stone known as the Sun Stone. Richard Townsend proposed a different theory, claiming that the figure at the center of the stone represents Tlaltecuhtli, yet another characteristic of the stone is its possible geographic significance
10.
National Museum of Anthropology (Mexico)
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The National Museum of Anthropology is a national museum of Mexico. It is the largest and most visited museum in Mexico, the museum is managed by the Instituto Nacional de Antropología e Historia, or INAH. Assessments of the museum vary, with one considering it a national treasure, the museum is the synthesis of an ideological, scientific, and political feat. Octavio Paz criticized the museums making the Mexica hall central, saying the exaltation and glorification of Mexico-Tenochtitlan transforms the Museum of Anthropology into a temple, the halls are ringed by gardens, many of which contain outdoor exhibits. The museum has 23 rooms for exhibits and covers an area of 79,700 square meters or 857,890 square feet, on August 25,1790, the Museum of Natural History was established by botanist José Longinos Martínez. During the 19th century, the museum was visited by internationally renowned scholars such as Alexander von Humboldt, in 1825, the first Mexican president, Guadalupe Victoria, advised by the historian Lucas Alamán, established the National Mexican Museum as an autonomous institution. In 1865, the Emperor Maximilian moved the museum to Calle de Moneda 13, in 1906, due to the growth of the museums collections, Justo Sierra divided the stock of the National Museum. The natural history collections were moved to the Chopo building, which was constructed specifically to shelter permanent expositions, the museum was renamed the National Museum of Archaeology, History and Ethnography, and was re-opened September 9,1910, in the presence of President Porfirio Díaz. By 1924 the stock of the museum had increased to 52,000 objects and had received more than 250,000 visitors, the remaining collection was renamed the National Museum of Anthropology, focusing on pre-Columbian Mexico and modern day Mexican ethnography. The construction of the museum building began in February 1963 in the Chapultepec park. The project was coordinated by architect Pedro Ramírez Vázquez, with assistance by Rafael Mijares Alcérreca, in front of the testimonies of those cultures, the Mexico of today pays tribute to the indigenous people of Mexico, in whose example we recognize characteristics of our national originality. It also has a model of the location and layout of the former Aztec capital Tenochtitlan and they are classified as North, West, Mayan, Gulf of Mexico, Oaxaca, Mexico, Toltec, and Teotihuacan. The permanent expositions at the first floor show the culture of Native American population of Mexico since the Spanish colonization, the museum also hosts visiting exhibits, generally focusing on other of the worlds great cultures. Past exhibits have focused on ancient Iran, Greece, China, Egypt, Russia, doris Heyden Felipe R. Solís Olguín, director 2000–2009 Aveleyra, Luis. Plantación y metas del nuevo Museo Nacional de Antropología, artes de México, época 1, año 12, no. El Museo Nacional de Antropología de México, el Museo Nacional de Arquelogía, Historia, y Etnografía. Mexico, Imprenta del Museo Nacional de Arquelogía, Historia, y Etnografía 1924, Historia de los Museos de México. Mexico, Fomento Cultural del Banco Nacional de México 1987, the Creation of the Museo Nacional de Antropología of Mexico and its scientific, educational, and political purposes
11.
Mexico City
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Mexico City, or City of Mexico, is the capital and most populous city of Mexico. As an alpha global city, Mexico City is one of the most important financial centers in the Americas and it is located in the Valley of Mexico, a large valley in the high plateaus at the center of Mexico, at an altitude of 2,240 metres. The city consists of sixteen municipalities, the 2009 estimated population for the city proper was approximately 8.84 million people, with a land area of 1,485 square kilometres. The Greater Mexico City has a domestic product of US$411 billion in 2011. The city was responsible for generating 15. 8% of Mexicos Gross Domestic Product, as a stand-alone country, in 2013, Mexico City would be the fifth-largest economy in Latin America—five times as large as Costa Ricas and about the same size as Perus. Mexico’s capital is both the oldest capital city in the Americas and one of two founded by Amerindians, the other being Quito. In 1524, the municipality of Mexico City was established, known as México Tenochtitlán, Mexico City served as the political, administrative and financial center of a major part of the Spanish colonial empire. After independence from Spain was achieved, the district was created in 1824. Ever since, the left-wing Party of the Democratic Revolution has controlled both of them, in recent years, the local government has passed a wave of liberal policies, such as abortion on request, a limited form of euthanasia, no-fault divorce, and same-sex marriage. On January 29,2016, it ceased to be called the Federal District and is now in transition to become the countrys 32nd federal entity, giving it a level of autonomy comparable to that of a state. Because of a clause in the Mexican Constitution, however, as the seat of the powers of the federation, it can never become a state, the city of Mexico-Tenochtitlan was founded by the Mexica people in 1325. According to legend, the Mexicas principal god, Huitzilopochtli indicated the site where they were to build their home by presenting an eagle perched on a cactus with a snake in its beak. Between 1325 and 1521, Tenochtitlan grew in size and strength, eventually dominating the other city-states around Lake Texcoco, when the Spaniards arrived, the Aztec Empire had reached much of Mesoamerica, touching both the Gulf of Mexico and the Pacific Ocean. After landing in Veracruz, Spanish explorer Hernán Cortés advanced upon Tenochtitlan with the aid of many of the native peoples. Cortés put Moctezuma under house arrest, hoping to rule through him, the Aztecs thought the Spaniards were permanently gone, and they elected a new king, Cuitláhuac, but he soon died, the next king was Cuauhtémoc. Cortés began a siege of Tenochtitlan in May 1521, for three months, the city suffered from the lack of food and water as well as the spread of smallpox brought by the Europeans. Cortés and his allies landed their forces in the south of the island, the Spaniards practically razed Tenochtitlan during the final siege of the conquest. Cortés first settled in Coyoacán, but decided to rebuild the Aztec site to erase all traces of the old order and he did not establish a territory under his own personal rule, but remained loyal to the Spanish crown
12.
Calendar
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A calendar is a system of organizing days for social, religious, commercial or administrative purposes. This is done by giving names to periods of time, typically days, weeks, months, a date is the designation of a single, specific day within such a system. A calendar is also a record of such a system. A calendar can also mean a list of planned events, such as a calendar or a partly or fully chronological list of documents. Periods in a calendar are usually, though not necessarily, synchronized with the cycle of the sun or the moon. The most common type of calendar was the lunisolar calendar. Latin calendarium meant account book, register, the Latin term was adopted in Old French as calendier and from there in Middle English as calender by the 13th century. The course of the Sun and the Moon are the most evident forms of timekeeping, nevertheless, the Roman calendar contained very ancient remnants of a pre-Etruscan 10-month solar year. The first recorded calendars date to the Bronze Age, dependent on the development of writing in the Ancient Near East, a larger number of calendar systems of the Ancient Near East becomes accessible in the Iron Age, based on the Babylonian calendar. This includes the calendar of the Persian Empire, which in turn gave rise to the Zoroastrian calendar as well as the Hebrew calendar, calendars in antiquity were lunisolar, depending on the introduction of intercalary months to align the solar and the lunar years. This was mostly based on observation, but there may have been attempts to model the pattern of intercalation algorithmically. The Roman calendar was reformed by Julius Caesar in 45 BC, the Julian calendar was no longer dependent on the observation of the new moon but simply followed an algorithm of introducing a leap day every four years. This created a dissociation of the month from the lunation. The Islamic calendar is based on the prohibition of intercalation by Muhammad and this resulted in an observationally based lunar calendar that shifts relative to the seasons of the solar year. The first calendar reform of the modern era was the Gregorian calendar. Such ideas are mooted from time to time but have failed to gain traction because of the loss of continuity, massive upheaval in implementation, a full calendar system has a different calendar date for every day. Thus the week cycle is by not a full calendar system. The simplest calendar system just counts time periods from a reference date and this applies for the Julian day or Unix Time
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