1.
15th century
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The 15th century was the century which spans the Julian years 1400 to 1500. In Europe, the 15th century is seen as the bridge between the Late Middle Ages, the Early Renaissance, and the Early modern period. Many technological, social and cultural developments of the 15th century can in retrospect be seen as heralding the European miracle of the following centuries, in religious history, the Roman Papacy was split in two parts in Europe for decades, until the Council of Constance. The division of the Catholic Church and the unrest associated with the Hussite movement would become factors in the rise of the Protestant Reformation in the following century. The event forced Western Europeans to find a new route, adding further momentum to what was the beginning of the Age of Discovery. Explorations by the Spanish and Portuguese led to European sightings of the Americas and these expeditions ushered in the era of the Portuguese and Spanish colonial empires. The fall of Constantinople led to the migration of Greek scholars and texts to Italy and these two events played key roles in the development of the Renaissance. The Spanish Reconquista leads to the fall of the Emirate of Granada by the end of the century, ending over seven centuries of Muslim rule. The Hundred Years War end with a decisive French victory over the English in the Battle of Castillon, financial troubles in England following the conflict results in the Wars of the Roses, a series of dynastic wars for the throne of England. The conflicts ends with the defeat of Richard III by Henry VII at the Battle of Bosworth Field, establishing the Tudor dynasty in the later part of the century. In Asia, under the rule of the Yongle Emperor, who built the Forbidden City and commanded Zheng He to explore the world overseas, tamerlane established a major empire in the Middle East and Central Asia, in order to revive the Mongol Empire. In Africa, the spread of Islam leads to the destruction of the Christian kingdoms of Nubia, the formerly vast Mali Empire teeters on the brink of collapse, under pressure from the rising Songhai Empire. In the Americas, both the Inca Empire and the Aztec Empire reach the peak of their influence, 1400s 1401, Dilawar Khan establishes the Malwa Sultanate in present-day central India 1402, Ottoman and Timurid Empires fight at the Battle of Ankara resulting in Timurs capture of Bayezid I. 1402, Sultanate of Malacca founded by Parameshwara,1403, The Yongle Emperor moves the capital of China from Nanjing to Beijing. 1403, The settlement of the Canary Islands signals the beginning of the Spanish Empire, 1405–1433, Zheng He of China sails through the Indian Ocean to India, Arabia, and East Africa to spread Chinas influence and sovereignty. 1405, Paregreg war, Majapahit civil war of succession between Wikramawardhana against Wirabhumi, 1405–1407, The first voyage of Zheng He, a massive Ming dynasty naval expedition visited Java, Palembang, Malacca, Aru, Samudera and Lambri. 1410s 1410, The Battle of Grunwald is the battle of the Polish–Lithuanian–Teutonic War leading to the downfall of the Teutonic Knights. 1410–1413, Foundation of St Andrews University in Scotland,1414, Khizr Khan, deputised by Timur to be the governor of Multan, takes over Delhi founding the Sayyid dynasty
2.
16th century
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The 16th century begins with the Julian year 1500 and ends with either the Julian or the Gregorian year 1600. It is regarded by historians as the century in which the rise of the West occurred, during the 16th century, Spain and Portugal explored the worlds seas and opened worldwide oceanic trade routes. In Europe, the Protestant Reformation gave a blow to the authority of the papacy. European politics became dominated by conflicts, with the groundwork for the epochal Thirty Years War being laid towards the end of the century. In Italy, Luca Pacioli published the first work ever on accounting, in United Kingdom, the Italian Alberico Gentili wrote the first book on public international law and divided secularism from canon law and Roman Catholic theology. In the Middle East, the Ottoman Empire continued to expand, with the Sultan taking the title of Caliph, China evacuated the coastal areas, because of Japanese piracy. Japan was suffering a civil war at the time. Mughal Emperor Akbar extended the power of the Mughal Empire to cover most of the South Asian sub continent and his rule significantly influenced arts, and culture in the region. These events directly challenged the notion of an immutable universe supported by Ptolemy and Aristotle. Polybius The Histories translated into Italian, English, German and French, medallion rug, variant Star Ushak style, Anatolia, is made. It is now kept at The Saint Louis Art Museum,1500, Charles V, Holy Roman Emperor and King of Spain was born. 1500, Guru Nanak the beginning and spreading of the 5th largest Religion in the World Sikhism,1500, Spanish navigator Vicente Yáñez Pinzón encounters Brazil but is prevented from claiming it by the Treaty of Tordesillas. 1500, Portuguese navigator Pedro Álvares Cabral claims Brazil for Portugal,1500, The Ottoman fleet of Kemal Reis defeats the Venetians at the Second Battle of Lepanto. 1501, Michelangelo returns to his native Florence to begin work on the statue David,1501, Safavid dynasty reunified Iran and ruled over it until 1736. Safavids adopt a Shia branch of Islam,1502, First reported African slaves in The New World 1503, Foundation of the Sultanate of Sennar by Amara Dunqas, in what is modern Sudan 1503, Spain defeats France at the Battle of Cerignola. Considered to be the first battle in history won by gunpowder small arms,1503, Leonardo da Vinci begins painting the Mona Lisa and completes it three years later. 1503, Nostradamus was born on either December 14, or December 21,1504, A period of drought, with famine in all of Spain. 1504, Death of Isabella I of Castile, Joanna of Castille became the Queen,1505, Zhengde Emperor ascended the throne of Ming Dynasty
3.
17th century
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The 17th century was the century that lasted from January 1,1601, to December 31,1700, in the Gregorian calendar. The greatest military conflicts were the Thirty Years War, the Great Turkish War, in the Islamic world, the Ottoman, Safavid Persian and Mughal empires grew in strength. In Japan, Tokugawa Ieyasu established the Edo period at the beginning of the century, European politics were dominated by the Kingdom of France of Louis XIV, where royal power was solidified domestically in the civil war of the Fronde. With domestic peace assured, Louis XIV caused the borders of France to be expanded and it was during this century that English monarch became a symbolic figurehead and Parliament was the dominant force in government – a contrast to most of Europe, in particular France. It was also a period of development of culture in general,1600, On February 17 Giordano Bruno is burned at the stake by the Inquisition. 1600, Michael the Brave unifies the three Romanian countries, Wallachia, Moldavia and Transylvania after the Battle of Șelimbăr from 1599. 1601, Battle of Kinsale, England defeats Irish and Spanish forces at the town of Kinsale, driving the Gaelic aristocracy out of Ireland and destroying the Gaelic clan system. 1601, Michael the Brave, voivode of Wallachia, Moldavia and Transylvania, is assassinated by the order of the Habsburg general Giorgio Basta at Câmpia Turzii, 1601–1603, The Russian famine of 1601–1603 kills perhaps one-third of Russia. 1601, Panembahan Senopati, first king of Mataram, dies and passes rule to his son Panembahan Seda ing Krapyak 1601,1602, Matteo Ricci produces the Map of the Myriad Countries of the World, a world map that will be used throughout East Asia for centuries. 1602, The Portuguese send an expeditionary force from Malacca which succeeded in reimposing a degree of Portuguese control. 1602, The Dutch East India Company is established by merging competing Dutch trading companies and its success contributes to the Dutch Golden Age. 1602, Two emissaries from the Aceh Sultanate visit the Dutch Republic,1603, Elizabeth I of England dies and is succeeded by her cousin King James VI of Scotland, uniting the crowns of Scotland and England. 1603, Tokugawa Ieyasu takes the title of Shogun, establishing the Tokugawa Shogunate and this begins the Edo period, which will last until 1869. 1603–1623, After modernizing his army, Abbas I expands the Persian Empire by capturing territory from the Ottomans,1603, First permanent Dutch trading post is established in Banten, West Java. First successful VOC privateering raid on a Portuguese ship,1604, A second English East India Company voyage commanded by Sir Henry Middleton reaches Ternate, Tidore, Ambon and Banda. 1605, Gunpowder Plot failed in England,1605, The fortresses of Veszprém and Visegrad are retaken by the Ottomans. 1605, February, The VOC in alliance with Hitu prepare to attack a Portuguese fort in Ambon,1605, Panembahan Seda ing Krapyak of Mataram establishes control over Demak, former center of the Demak Sultanate. 1606, Treaty of Vienna ends anti-Habsburg uprising in Royal Hungary,1606, Assassination of Stephen Bocskay of Transylvania
4.
Berber calendar
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The Berber calendar is the agricultural calendar traditionally used by Berbers. It is also known as the fellaḥi, the calendar is utilized to regulate the seasonal agricultural works. It is used in lieu of the Islamic calendar, a calendar considered ill-adapted for agriculture because it does not relate to seasonal cycles. The current Berber calendar is a legacy of the Roman province of Mauretania Caesariensis, the latter calendar was used in Europe before the adoption of the Gregorian calendar, with month names derived from Latin. Berber populations previously used various indigenous calendars, such as that of the Guanche autochthones of the Canary Islands, however, relatively little is known of these ancient calendrical systems. Not much is known about the division of time among the ancient Berbers, some elements of a pre-Islamic, and almost certainly a pre-Roman calendar, emerge from some medieval writings, analyzed by Nico van den Boogert. Some correspondences with the traditional Tuareg calendar suggest that in antiquity there existed, with degree of diffusion. According to a 17th-century manuscript by Tomás Marín de Cubas, they computed their year, called Acano and it began in summer, when the sun enters in Cancer, on June 21, at the first conjunction they celebrated nine festival days for the crop. The name of one month is known in the native language. It seems it was the month of the year, corresponding to August. Such a name, in case it was made up by something like *wen that of + smet, may correspond, in the list of medieval Berber month names, with the ninth and tenth months, but data are too scarce for this hypothesis to be deepened. The agricultural Berber calendar still in use is almost certainly derived from the Julian calendar, the only slight discrepancy lies in that the extra day in leap years is not usually added at the end of February, but at the end of the year. Jean Servier has doubted that the calendar descends directly from the Julian calendar of the Latin era, there are standard forms for the names of the Amazigh calendar. The table below provides the forms used in Morocco, Algeria and Tunisia. In some areas they may be different due to communication and manipulation by the government. Moreover, pronunciation differs according to the region, the coldest period is made up by 20 white nights, from 12 to 31 dujamber, and 20 black nights, beginning on the first day of yennayer, corresponding to the Gregorian 14 January. The first day of the year is celebrated in various ways in the different parts of North Africa, a widespread tradition is a meal with particular foods, which vary from region to region, but in many zones it is provided by the sacrifice of an animal. In Algeria, such a holiday is celebrated even by people who dont use the Berber calendar in daily life
5.
Elizabeth I of England
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Elizabeth I was Queen of England and Ireland from 17 November 1558 until her death. Sometimes called The Virgin Queen, Gloriana or Good Queen Bess, Elizabeth was the daughter of Henry VIII and Anne Boleyn, his second wife, who was executed two and a half years after Elizabeths birth. Annes marriage to Henry VIII was annulled, and Elizabeth was declared illegitimate, edwards will was set aside and Mary became queen, deposing Lady Jane Grey. During Marys reign, Elizabeth was imprisoned for nearly a year on suspicion of supporting Protestant rebels, in 1558, Elizabeth succeeded her half-sister to the throne and set out to rule by good counsel. She depended heavily on a group of trusted advisers, led by William Cecil, one of her first actions as queen was the establishment of an English Protestant church, of which she became the Supreme Governor. This Elizabethan Religious Settlement was to evolve into the Church of England and it was expected that Elizabeth would marry and produce an heir to continue the Tudor line. She never did, despite numerous courtships, as she grew older, Elizabeth became famous for her virginity. A cult grew around her which was celebrated in the portraits, pageants, in government, Elizabeth was more moderate than her father and half-siblings had been. One of her mottoes was video et taceo, in religion, she was relatively tolerant and avoided systematic persecution. Elizabeth was cautious in foreign affairs, manoeuvring between the powers of France and Spain. She only half-heartedly supported a number of ineffective, poorly resourced military campaigns in the Netherlands, France, by the mid-1580s, England could no longer avoid war with Spain. Englands defeat of the Spanish Armada in 1588 associated Elizabeth with one of the greatest military victories in English history, Elizabeths reign is known as the Elizabethan era. Some historians depict Elizabeth as a short-tempered, sometimes indecisive ruler, towards the end of her reign, a series of economic and military problems weakened her popularity. Such was the case with Elizabeths rival, Mary, Queen of Scots, after the short reigns of Elizabeths half-siblings, her 44 years on the throne provided welcome stability for the kingdom and helped forge a sense of national identity. Elizabeth was born at Greenwich Palace and was named after both her grandmothers, Elizabeth of York and Elizabeth Howard and she was the second child of Henry VIII of England born in wedlock to survive infancy. Her mother was Henrys second wife, Anne Boleyn, at birth, Elizabeth was the heir presumptive to the throne of England. She was baptised on 10 September, Archbishop Thomas Cranmer, the Marquess of Exeter, the Duchess of Norfolk, Elizabeth was two years and eight months old when her mother was beheaded on 19 May 1536, four months after Catherine of Aragons death from natural causes. Elizabeth was declared illegitimate and deprived of her place in the royal succession, eleven days after Anne Boleyns execution, Henry married Jane Seymour, who died shortly after the birth of their son, Prince Edward, in 1537
6.
Hebrew calendar
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The Hebrew or Jewish calendar is a lunisolar calendar used today predominantly for Jewish religious observances. It determines the dates for Jewish holidays and the public reading of Torah portions, yahrzeits. The present Hebrew calendar is the product of evolution, including a Babylonian influence, when to add it was based on observation of natural agriculture-related events in Israel. Through the Amoraic period and into the Geonic period, this system was displaced by the mathematical rules used today. The principles and rules were codified by Maimonides in the Mishneh Torah in the 12th century. Maimonides work also replaced counting years since the destruction of the Temple with the modern creation-era Anno Mundi, the era used since the Middle Ages is the Anno Mundi epoch. As with Anno Domini, the words or abbreviation for Anno Mundi for the era should properly precede the date rather than follow it, AM5777 began at sunset on 2 October 2016 and will end at sunset on 20 September 2017. The Jewish day is of no fixed length, the Jewish day is modeled on the reference to. there was evening and there was morning. In the creation account in the first chapter of Genesis, based on the classic rabbinic interpretation of this text, a day in the rabbinic Hebrew calendar runs from sunset to the next sunset. In most populated parts of the world this is always approximately 24 standard hours, halachically, a day ends and a new one starts when three stars are visible in the sky. The time between sunset and the time when the three stars are visible is known as bein hashmashot, and there are differences of opinion as to which day it falls into for some uses. This may be relevant, for example, in determining the date of birth of a child born during that gap, there is no clock in the Jewish scheme, so that the local civil clock is used. The civil clock is used only as a reference point – in expressions such as, Shabbat starts at. In Judaism, an hour is defined as 1/12 of the time from sunrise to sunset, so, during the winter, an hour can be less than 60 minutes. This proportional hour is known as a shaah zmanit, a Jewish hour is divided into 1080 halakim or parts. A part is 3⅓ seconds or 1/18 minute, the ultimate ancestor of the helek was a small Babylonian time period called a barleycorn, itself equal to 1/72 of a Babylonian time degree. These measures are not generally used for everyday purposes, instead of the international date line convention, there are varying opinions as to where the day changes. One opinion uses the antimeridian of Jerusalem, the weekdays start with Sunday and proceed to Saturday, Shabbat
7.
Islamic calendar
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The Islamic, Muslim, or Hijri calendar is a lunar calendar consisting of 12 months in a year of 354 or 355 days. It is used to date events in many Muslim countries and it is also used by Muslims to determine the proper days of Islamic holidays and rituals, such as the annual period of fasting and the proper time for the pilgrimage to Mecca. The Islamic calendar employs the Hijri era whose epoch was retrospectively established as the Islamic New Year of AD622, during that year, Muhammad and his followers migrated from Mecca to Yathrib and established the first Muslim community, an event commemorated as the Hijra. In the West, dates in this era are usually denoted AH in parallel with the Christian, in Muslim countries, it is also sometimes denoted as H from its Arabic form. In English, years prior to the Hijra are reckoned as BH, the current Islamic year is 1438 AH. In the Gregorian calendar,1438 AH runs from approximately 3 October 2016 to 21 September 2017, four of the twelve Hijri months are considered sacred, Rajab, and the three consecutive months of Dhū al-Qa‘dah, Dhu al-Ḥijjah and Muḥarram. As the lunar calendar lags behind the solar calendar by about ten days every gregorian year, the cycle repeats every 33 lunar years. Each month of the Islamic calendar commences on the birth of the new lunar cycle, traditionally this is based on actual observation of the crescent marking the end of the previous lunar cycle and hence the previous month, thereby beginning the new month. Consequently, each month can have 29 or 30 days depending on the visibility of the moon, astronomical positioning of the earth and weather conditions. However, certain sects and groups, most notably Dawoodi Bohra Muslims and Shia Ismaili Muslims, use a tabular Islamic calendar in which odd-numbered months have thirty days, in Arabic, the first day of the week corresponds with Sunday of the planetary week. The Islamic weekdays, like those in the Hebrew and Baháí calendars, the Christian liturgical day, kept in monasteries, begins with vespers, which is evening, in line with the other Abrahamic traditions. Christian and planetary weekdays begin at the following midnight, Muslims gather for worship at a mosque at noon on gathering day which corresponds with Friday. Thus gathering day is regarded as the weekly day of rest. A few others have adopted the Saturday-Sunday weekend while making Friday a working day with a midday break to allow time off for worship. Inscriptions of the ancient South Arabian calendars reveal the use of a number of local calendars, at least some of these calendars followed the lunisolar system. For Central Arabia, especially Mecca, there is a lack of epigraphical evidence, both al-Biruni and al-Masudi suggest that the Ancient Arabs used the same month names as the Muslims, though they also record other month names used by the pre-Islamic Arabs. Nevertheless, the Islamic position equating Nisan with Dhū al-Ḥijja has prevailed, for a comparison between the Islamic and pre-Islamic months, see Islamic and Jahili months. The Islamic tradition is unanimous in stating that Arabs of Tihamah, Hejaz, the forbidden months were four months during which fighting is forbidden, listed as Rajab and the three months around the pilgrimage season, Dhu al-Qa‘dah, Dhu al-Hijjah, and Muharram
8.
Japanese calendar
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Japanese calendar types have included a range of official and unofficial systems. At present, Japan uses the Gregorian calendar together with year designations stating the year of the reign of the current Emperor, the lunisolar Chinese calendar was introduced to Japan via Korea in the middle of the sixth century. After that, Japan calculated its calendar using various Chinese calendar procedures, but in 1873, as part of Japans Meiji period modernization, a calendar based on the solar Gregorian calendar was introduced. In Japan today, the old Chinese calendar is virtually ignored, celebrations of the Lunar New Year are thus limited to Chinese, Japan has had more than one system for designating years. Including The Chinese sexagenary cycle was introduced into Japan. It was often used together with era names, as in the 1729 Ise calendar shown above, now, though, the cycle is seldom used except around New Years. The era name system was introduced from China, and has been in continuous use since AD701. Each Emperors reign begins a new era, before 1868 era names were also declared for other reasons. Nengō are the means of dating years in Japan. It is also in use in private and personal business. The Japanese imperial year or kigen 紀元 is based on the date of the founding of Japan by Emperor Jimmu in 660 BC. It was first used in the calendar in 1873. However, it never replaced era names, and since World War II has been abandoned, the Western Common Era system has gradually come into common use since the Meiji period. Now, most people know it, as well as era names, the official dating system known as nengō 年号, strictly speaking, gengō 元号, has been in use since the late 7th century. Years are numbered within eras, which are named by the reigning Emperor, the nengō system remains in wide use, especially on official documents and government forms. The imperial year system was used from 1872 to the Second World War, Imperial year 1 was the year when the legendary Emperor Jimmu founded Japan –660 BC according to the Gregorian Calendar. Usage of kōki dating can be a nationalist signal, pointing out that the history of Japans imperial family is longer than that of Christianity, kōki 2600 was a special year. The 1940 Summer Olympics and Tokyo Expo were planned as anniversary events, the Japanese naval Zero Fighter was named after this year
9.
1570s in architecture
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1570–1575 - Palazzo Barbaran da Porto in Vicenza, designed by Andrea Palladio, is built. 1571 - Buildings begun in 1568 are completed, The Green Gate in Gdańsk, the Hall of Antiquities in the Munich Residenz, designed by Wilhelm Egkl and Jacopo Strada. 1571–1572 - Loggia of Palazzo del Capitaniato in Vicenza, designed by Palladio, is built, C.1572 - Completion of work at Villa Serego, Santa Sofia di Pedemonte in the province of Verona, designed by Palladio. 1574 - The Selimiye Mosque, designed by Mimar Sinan and begun in 1568, is completed,1576 - The Pagoda of Cishou Temple in the suburbs of Beijing is completed. 1576–1577 - Design for church of Il Redentore on Giudecca in Venice commissioned from Palladio,1579 - Nonsuch House erected on London Bridge. Fatehpur Sikri in the Mughal Empire is completed,1570 - Andrea Palladio publishes I Quattro Libri dellArchitettura. 1578 - Giacomo della Porta builds a fountain in front of the Pantheon, Rome
10.
Hindu calendar
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Hindu calendar is a collective term for the various lunisolar calendars traditionally used in Hinduism. They adopt a similar underlying concept for timekeeping, but differ in their emphasis to moon cycle or the sun cycle, the names of months. A Hindu calendar is referred to as Panchanga. The ancient Hindu calendar is similar in design to the Jewish calendar. Early Buddhist communities of India adopted the ancient Indian calendar, later Vikrami calendar, Buddhist festivals continue to be scheduled according to a lunar system. The Buddhist calendar and the traditional calendars of Cambodia, Laos, Myanmar, Sri Lanka. Similarly, the ancient Jainism traditions have followed the lunisolar system as the Hindu calendar for festivals, texts. However, the Buddhist and Jaina timekeeping systems have attempted to use the Buddha, the Hindu calendar is also important to the practice of Hindu astrology and zodiac system, most of which it adopted from Greece, in centuries after the arrival of Alexander the Great. The Indian national calendar or Saka calendar was introduced in 1952 based on the traditional Hindu calendars and this study was one of the six ancient Vedangas, or ancillary science connected with the Vedas – the scriptures of Hinduism. The ancient Indian culture developed a time keeping methodology and calendars for Vedic rituals. David Pingree has proposed that the field of timekeeping in Jyotisha may have derived from Mesopotamia during the Achaemenid period. Ohashi states that this Vedanga field developed from actual astronomical studies in ancient India, timekeeping as well as the nature of solar and moon movements are mentioned in Vedic texts. For example, Kaushitaki Brahmana chapter 19.3 mentions the shift in the location of the sun towards north for 6 months. The Vikrami calendar is named after king Vikramaditya and starts in 57 BCE, Hindu scholars attempted to keep time by observing and calculating the cycles of sun, moon and the planets. These texts present Surya and various planets and estimate the characteristics of the respective planetary motion, other texts such as Surya Siddhanta dated to have been complete sometime between the 5th century and 10th century present their chapters on various planets with deity mythologies. The manuscripts of texts exist in slightly different versions, present Surya- and planets-based calculation. These vary in their data, suggesting that the text were open and they tracked the solar year by observing the entrance and departure of surya in the constellation formed by stars in the sky, which they divided into 12 intervals of 30 degrees each. Like other ancient human cultures, Hindus innovated a number of systems of which intercalary months became most used, as their calendar keeping and astronomical observations became more sophisticated, the Hindu calendar became more sophisticated with complex rules and greater accuracy
11.
Kali Yuga
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Kali Yuga is the last of the four stages the world goes through as part of the cycle of yugas described in the Sanskrit scriptures, within the present Mahayuga. The other ages are called Satya Yuga, Treta Yuga, Kali Yuga is associated with the demon Kali. The Kali of Kali Yuga means strife, discord, quarrel or contention, according to Puranic sources, Krishnas departure marks the end of Dvapara Yuga and the start of Kali Yuga, which is dated to 17/18 February 3102 BCE. According to the Surya Siddhanta, Kali Yuga began at midnight on 18 February 3102 BCE and this is also considered the date on which Lord Krishna left the earth to return to his heavenly abode. This information is placed at the temple of Bhalka, the place of this incident, according to the astronomer and mathematician Aryabhatta the Kali Yuga started in 3102 BCE. He finished his book “Aryabhattiya” in 499 CE, in which he gives the year of the beginning of Kali Yuga. He writes that he wrote the book in the year 3600 of the Kali Age at the age of 23. As it was the 3600th year of the Kali Age when he was 23 years old, and given that Aryabhatta was born in 476 CE, according to KD Abhyankar, the starting point of Kaliyuga is an extremely rare planetary alignment, which is depicted in the Mohenjo-Daro seals. Going by this alignment the year 3102 BCE is slightly off, the actual date for this alignment is February 7 of 3104 BCE. There is also sufficient proof to believe that Vrdhha Garga knew of precession at least by 500 BCE, Garga had calculated the rate of precession to within 30% of what the modern scholars estimate. The Kali Yuga is thought by some authors to last 6480 years although other durations have been proposed, hindus believe that human civilization degenerates spiritually during the Kali Yuga, which is referred to as the Dark Age because in it people are as far away as possible from God. Hinduism often symbolically represents morality as an indian bull, in Satya Yuga, the first stage of development, the bull has four legs, but in each age morality is reduced by one quarter. By the age of Kali, morality is reduced to only a quarter of that of the golden age, the Mahabharata War and the decimation of Kauravas thus happened at the Yuga-Sandhi, the point of transition from one yuga to another. A discourse by Markandeya in the Mahabharata identifies some of the attributes of Kali Yuga, in relation to rulers, it lists, Rulers will become unreasonable, they will levy taxes unfairly. Rulers will no longer see it as their duty to promote spirituality, or to protect their subjects, people will start migrating, seeking countries where wheat and barley form the staple food source. (Srimad-Bhagavatam With regard to relationships, Markandeyas discourse says, Avarice. Humans will openly display animosity towards each other, people will have thoughts of murder with no justification and will see nothing wrong in that. Lust will be viewed as acceptable and sexual intercourse will be seen as the central requirement of life
