A flag is a piece of fabric with a distinctive design and colours. It is used for decoration; the term flag is used to refer to the graphic design employed, flags have evolved into a general tool for rudimentary signalling and identification in environments where communication is challenging. The study of flags is known as "vexillology" from the Latin vexillum, meaning "flag" or "banner". National flags are patriotic symbols with varied interpretations that include strong military associations because of their original and ongoing use for that purpose. Flags are used in messaging, advertising, or for decorative purposes; some military units are called "flags" after their use of flags. A flag is equivalent to a brigade in Arab countries. In Spain, a flag is a battalion-equivalent in the Spanish Legion. In antiquity, field signs or standards were used in warfare that can be categorised as vexilloid or'flag-like'; this is considered originated in Assyria. Examples include the Sassanid battle standard Derafsh Kaviani, the standards of the Roman legions such as the eagle of Augustus Caesar's Xth legion, or the dragon standard of the Sarmatians.
Flag as recognized today, made of a piece of cloth representing a particular entity, is considered invented in the Indian subcontinent or Chinese Zhou dynasty. Chinese flags depicted animals decorated in certain colors. A royal flag is considered being used as well, required to be treated with a similar level of respect attributed to the ruler. Indian flags were triangular shaped and decorated with attachments such as yak's tail and the state umbrella; these usages spread to Southeast Asia as well, considered transmitted to Europe through the Muslim world where plainly colored flags were being used due to Islamic prescriptions. In Europe, during the High Middle Ages, flags came to be used as a heraldic device in battle, allowing more to identify a knight than only from the heraldic device painted on the shield. During the high medieval period, during the Late Middle Ages, city states and communes such as those of the Old Swiss Confederacy began to use flags as field signs. Regimental flags for individual units became commonplace during the Early Modern period.
During the peak of the age of sail, beginning in the early 17th century, it was customary for ships to carry flags designating their nationality. Flags became the preferred means of communications at sea, resulting in various systems of flag signals. Use of flags outside of military or naval context begins only with the rise of nationalist sentiment by the end of the 18th century. One of the most popular uses of a flag is to symbolise a country; some national flags have been inspirational to other nations, countries, or subnational entities in the design of their own flags. Some prominent examples include: The flag of Denmark, the Dannebrog, is attested in 1478, is the oldest national flag still in use, it inspired the cross design of the other Nordic countries: Norway, Finland and regional Scandinavian flags for the Faroe Islands, Åland and Bornholm, as well as flags for the non-Scandinavian Shetland and Orkney. The flag of the Netherlands is the oldest tricolour, its three colours of red and blue go back to Charlemagne's time, the 9th century.
The coastal region of what today is the Netherlands was known for its cloth in these colours. Maps from the early 16th century put flags in these colours next to this region, like Texeira's map of 1520. A century before that, during the 15th century, the three colours were mentioned as the coastal signals for this area, with the three bands straight or diagonal, single or doubled; as state flag it first appeared around 1572 as the Prince's Flag in orange–white–blue. Soon the more famous red–white–blue began appearing, becoming the prevalent version from around 1630. Orange made a comeback during the civil war of the late 18th century, signifying the orangist or pro-stadtholder party. During World War II the pro-Nazi NSB used it. Any symbolism has been added to the three colours, although the orange comes from the House of Orange-Nassau; this use of orange comes from Nassau, which today uses orange-blue, not from Orange, which today uses red-blue. However, the usual way to show the link with the House of Orange-Nassau is the orange pennant above the red-white-blue.
It is said that the Dutch Tricolour has inspired many flags but most notably those of Russia, New York City, South Africa. As the probable inspiration for the Russian flag, it is the source too for the Pan-Slavic colours red and blue, adopted by many Slavic states and peoples as their symbols; the national flag of France was designed in 1794. As a forerunner of revolution, France's tricolour flag style has been adopted by other nations. Examples: Italy, Costa Rica, Dominican Republic, Haiti and Mexico; the Union Flag of the United Kingdom is the most used. British colonies flew a flag bas
A tower is a tall structure, taller than it is wide by a significant margin. Towers are distinguished from masts by their lack of guy-wires and are therefore, along with tall buildings, self-supporting structures. Towers are distinguished from "buildings" in that they are not built to be habitable but to serve other functions; the principal function is the use of their height to enable various functions to be achieved including: visibility of other features attached to the tower such clock towers. Towers can be stand alone structures or be supported by adjacent buildings or can be a feature on top of a large structure or building. Old English torr is from Latin turris via Old French tor; the Latin term together with Greek τύρσις was loaned from a pre-Indo-European Mediterranean language, connected with the Illyrian toponym Βου-δοργίς. With the Lydian toponyms Τύρρα, Τύρσα, it has been connected with the ethnonym Τυρρήνιοι as well as with Tusci, the Greek and Latin names for the Etruscans Towers have been used by mankind since prehistoric times.
The oldest known may be the circular stone tower in walls of Neolithic Jericho. Some of the earliest towers were ziggurats, which existed in Sumerian architecture since the 4th millennium BC; the most famous ziggurats include the Sumerian Ziggurat of Ur, built the 3rd millennium BC, the Etemenanki, one of the most famous examples of Babylonian architecture. The latter was built in Babylon during the 2nd millennium BC and was considered the tallest tower of the ancient world; some of the earliest surviving examples are the broch structures in northern Scotland, which are conical towerhouses. These and other examples from Phoenician and Roman cultures emphasised the use of a tower in fortification and sentinel roles. For example, the name of the Moroccan city of Mogador, founded in the first millennium BC, is derived from the Phoenician word for watchtower; the Romans utilised octagonal towers as elements of Diocletian's Palace in Croatia, which monument dates to 300 AD, while the Servian Walls and the Aurelian Walls featured square ones.
The Chinese used towers as integrated elements of the Great Wall of China in 210 BC during the Qin Dynasty. Towers were an important element of castles. Other well known towers include the Leaning Tower of Pisa in Pisa, Italy built from 1173 until 1372 and the Two Towers in Bologna, Italy built from 1109 until 1119; the Himalayan Towers are stone towers located chiefly in Tibet built 14th to 15th century. Up to a certain height, a tower can be made with the supporting structure with parallel sides. However, above a certain height, the compressive load of the material is exceeded and the tower will fail; this can be avoided. A second limit is that of buckling—the structure requires sufficient stiffness to avoid breaking under the loads it faces those due to winds. Many tall towers have their support structures at the periphery of the building, which increases the overall stiffness. A third limit is dynamic; these are dealt with through a combination of simple strength and stiffness, as well as in some cases tuned mass dampers to damp out movements.
Varying or tapering the outer aspect of the tower with height avoids vibrations due to vortex shedding occurring along the entire building simultaneously. Although not called towers many modern skyscraper are called towers. In the United Kingdom, tall domestic buildings are referred to as tower blocks. In the United States, the original World Trade Center had the nickname the Twin Towers, a name shared with the Petronas Twin Towers in Kuala Lumpur; the tower throughout history has provided its users with an advantage in surveying defensive positions and obtaining a better view of the surrounding areas, including battlefields. They were rolled near a target. Today, strategic-use towers are still used at prisons, military camps, defensive perimeters. By using gravity to move objects or substances downward, a tower can be used to store items or liquids like a storage silo or a water tower, or aim an object into the earth such as a drilling tower. Ski-jump ramps use the same idea, in the absence of a natural mountain slope or hill, can be human-made.
In history, simple towers like lighthouses, bell towers, clock towers, signal towers and minarets were used to communicate information over greater distances. In more recent years, radio masts and cell phone towers facilitate communication by expanding the range of the transmitter; the CN Tower in Toronto, Canada was built as a communications tower, with the capability to act as both a transmitter and repeater. Its design incorporated features to make it a tourist attraction, including the world's highest observation deck at 147 storeys. Towers can be used to support bridges, can reach heights that rival some of the tallest buildings above-water, their use is most prevalent in cable-stayed bridges. The use of the pylon, a simple tower structure, has helped to build railroad bridges, mass-transit systems, harbors. Control towers are used to give visibility to help direct aviation traffic. To access tall or high objects: launch tower, service tower, service structure, tower c
A merchant is a person who trades in commodities produced by other people. A merchant is anyone, involved in business or trade. Merchants have been known for as long as industry and trade have existed. During the 16th-century, in Europe, two different terms for merchants emerged: One term, described local traders such as bakers, etc.. The status of the merchant has varied during different periods of history and among different societies. In ancient Rome and Greece, merchants may have been wealthy, but were not accorded high social status. In contrast, in the Middle East, where markets were an integral part of the city, merchants enjoyed high status. In modern times, the term has been used to refer to a businessperson or someone undertaking activities for the purpose of generating profit, cash flow and revenue utilizing a combination of human, financial and physical capital with a view to fuelling economic development and growth. Merchants have been known for as long as humans have engaged in commerce.
Merchants and merchant networks were known to operate in ancient Babylonia and Assyria, Egypt, India, Persia and Rome. During the European medieval period, a rapid expansion in trade and commerce, led to the rise of a wealthy and powerful merchant class; the European age of discovery opened up new trading routes and gave European consumers access to a much broader range of goods. From the 1600s, goods began to travel much further distances as they found their way into geographically dispersed market places. Following the opening Asia and the discovery of the New World, goods were imported from long distances: calico cloth from India, porcelain and tea from China, spices from India and South-East Asia and tobacco, sugar and coffee from the New World. By the eighteenth century, a new type of manufacturer-merchant was emerging and modern business practices were becoming evident; the English term, "merchant" comes from the Middle English, which itself originated from the Vulgar Latin mercatant or mercatans, formed from present participle of mercatare meaning to trade, to traffic or to deal in.
The term is used to refer to any type of reseller, but can be used with a specific qualifier to suggest a person who deals in a given characteristic such as "speed merchant" to refer to someone who enjoys fast driving. Other known uses of the term include: "dream merchant" used to describe someone who peddles idealistic visionary scenarios and "merchant of war" to describe proponents of war. Elizabeth Honig has argued that concepts relating to the role of a merchant began to change in the mid-16th century; the Dutch term, became rather more fluid during the 16th century when Antwerp was the most global market town in Europe. Two different terms, for a merchant, began to be used, meerseniers referred to local merchants including bakers, sellers of dairy products and stall-holders, while the alternate term, was used to describe those who traded in goods or credit on a large scale; this distinction was necessary to separate the daily trade that the general population understood from the rising ranks of traders who took up their places on a world stage and were seen as quite distant from everyday experience.
Broadly, merchants can be classified into two categories: A wholesale merchant operates in the chain between the producer and retail merchant dealing in large quantities of goods. In other words, a wholesaler does not sell directly to end-users; some wholesale merchants only organize the movement of goods rather than move the goods themselves. A retail merchant or retailer sells merchandise to end-users or consumers in small quantities. A shop-keeper is a retail merchant. However, the term'merchant' is used in a variety of specialised contexts such as in merchant banker, merchant navy or merchant services. Merchants have existed as long as business and commerce have been conducted. A merchant class characterized many pre-modern societies. Open air, public markets, where merchants and traders congregated, were known in ancient Babylonia and Assyria, Egypt, India, Persia and Rome; these markets occupied a place in the town's centre. Surrounding the market, skilled artisans, such as metal-workers and leather workers, occupied premises in alley ways that led to the open market-place.
These artisans may have sold wares directly from their premises, but prepared goods for sale on market days. In ancient Greece markets operated within the agora, in ancient Rome the forum. Rome had two forums; the latter was a vast expanse. The Roman forum was arguably the earliest example of a permanent retail shop-front. In antiquity, exchange involved direct selling through permanent or semi-permanent retail premises such as stall-holders at market places or shop-keepers selling from their own premises or through door-to-door direct sales via merchants or peddlers; the nature of direct selling centred around transactional exchange, where the goods were on open display, allowing buyers to evaluate quality directly through visual inspection. Relationships between merchant and consumer were minimal playing into public concerns about the quality of produce; the Phoenicians were well known amongst contemporaries as "traders in purple" – a
National Register of Historic Places architectural style categories
In the United States, the National Register of Historic Places classifies its listings by various types of architecture. Listed properties are given one or more of 40 standard architectural style classifications that appear in the National Register Information System database. Other properties are given a custom architectural description with "vernacular" or other qualifiers, others have no style classification. Many National Register-listed properties do not fit into the several categories listed here, or they fit into more specialized subcategories; the complete list of the 40 architectural style codes in the National Register Information System—NRIS follows: Obs — ARSTYLCD — ARSTYL 1 — 01 NO STYLE LISTED 2 — 10 COLONIAL 3 — 11 GEORGIAN 4 — 20 EARLY REPUBLIC 5 — 21 FEDERAL 6 — 30 MID 19TH CENTURY REVIVAL 7 — 31 GREEK REVIVAL 8 — 32 GOTHIC REVIVAL 9 — 33 ITALIAN VILLA 10 — 34 EXOTIC REVIVAL 11 — 40 LATE VICTORIAN 12 — 41 GOTHIC 13 — 42 ITALIANATE 14 — 43 SECOND EMPIRE 15 — 44 STICK/EASTLAKE 16 — 45 QUEEN ANNE 17 — 46 SHINGLE STYLE 18 — 47 ROMANESQUE 19 — 48 RENAISSANCE 20 — 49 OCTAGON MODE 21 — 50 LATE 19TH AND 20TH CENTURY REVIVALS 22 — 51 COLONIAL REVIVAL 23 — 52 CLASSICAL REVIVAL 24 — 53 TUDOR REVIVAL 25 — 54 LATE GOTHIC REVIVAL 26 — 55 MISSION/SPANISH REVIVAL 27 — 56 BEAUX ARTS 28 — 57 PUEBLO 29 — 60 LATE 19TH AND EARLY 20TH CENTURY AMERICAN MOVEMENTS 30 — 61 PRAIRIE SCHOOL 31 — 62 EARLY COMMERCIAL 32 — 63 CHICAGO 33 — 64 SKYSCRAPER 34 — 65 BUNGALOW/CRAFTSMAN 35 — 70 MODERN MOVEMENT 36 — 71 MODERNE 37 — 72 INTERNATIONAL STYLE 38 — 73 ART DECO 39 — 80 OTHER 40 — 90 MIXED Some selected National Register Information System styles, with examples, include: Federal architecture was the classicizing architecture style built in the newly founded United States between c. 1780 and 1830.
Examples include: the Old Town Hall in Massachusetts, Plumb House in Virginia. Greek Revival architecture is a Neoclassical movement of the late 18th and early 19th centuries in Europe, it emerged in the U. S. following the War of 1812 and while a revolutionary war in Greece attracted America's interest. Greek Revival architecture was popularized by Minard Lafever's pattern books: The Young Builders' General Instructor in 1829, the Modern Builders' Guide in 1833, The Beauties of Modern Architecture in 1835, The Architectural Instructor in 1850. Greek Revival in the U. S. includes vernacular versions such as the 1839 Simsbury Townhouse built by an unknown craftsman and the Dicksonia Plantation, high-style versions such as the Second Bank of the United States, Philadelphia. Plantation houses Many plantation houses in the Southern United States were built in Greek Revival variations, including Millford Plantation, Melrose and Annandale Plantation Examples of the American revival of classical Palladian architecture include: The Rotunda by Thomas Jefferson at the University of Virginia, the Hammond-Harwood House in Annapolis, Maryland.
Late Victorian architecture is distributed on the register's listings, for many building types in every state. The Carpenter Gothic style was popular for Late Victorian wooden churches; the Queen Anne style was popular in American Victorian architecture, after the earlier Italianate style, is frequent on NRHP residential listings. The Shingle Style is an American variation of Queen Anne. A grouping of historicist architecture Revival styles, with the title Late 19th and 20th Century Revivals, has been applied by the NRHP for many listings. There are numerous listed buildings designed in an amalgam of several to many revival styles that defy a singular or simpler classification title. Mission/Spanish Revival is an amalgam of two distinct styles popular in different but adjacent eras: the late-19th-century Mission Revival Style architecture and early-20th-century Spanish Colonial Revival architecture; the combined term, or the individual terms, are used in the style classifications of NRHP listed buildings.
Pueblo Revival Style architecture is a revival style based on traditional Native American Pueblo architecture of adobe dwellings–communities in the Pueblo culture in present-day New Mexico, northeastern Arizona, southwestern Colorado. Examples include the Institute of American Indian Arts, La Fonda on the Plaza, the Mabel Dodge Luhan House in New Mexico, the Painted Desert Inn in Arizona. Exotic Revival architecture is another style that may reflect a mix of Moorish Revival architecture, Egyptian Revival architecture, other influences. Just a few of many National Register-listed places identified with this style are El Zaribah Shrine Auditorium, Odd Fellows Rest Cemetery, Fort Smith Masonic Temple, Algeria Shrine Temple. Examples in California include Grauman's Egyptian Theatre in Hollywood, the Rosicrucian Egyptian Museum in San Jose; the Mayan Revival architecture style blends Maya architectural and artistic motifs with those of other Mesoamerican cultures of Aztec architecture. Examples include: the Mayan Theater in Downtown Los Angeles.
S. Route 66 in Southern California. "Postmedieval English" architecture is a style term used for a number of NRHP listings, including William Ward Jr. House in Middlefield, Connecticut. "Late 19th and Early 20th Century American Movements" ar
A watchtower is a type of fortification used in many parts of the world. It differs from a regular tower in that its primary use is military and from a turret in that it is a freestanding structure, its main purpose is to provide a high, safe place from which a sentinel or guard may observe the surrounding area. In some cases, non-military towers, such as religious towers, may be used as watchtowers; the Romans built numerous towers as part of a system of communications, one example being the towers along Hadrian's Wall in Britain. Romans built many lighthouses, such as the Tower of Hercules in northern Spain, which survives to this day as a working building, the famous lighthouse at Dover Castle, which survives to about half its original height as a ruin. In medieval Europe, many castles and manor houses, or similar fortified buildings, were equipped with watchtowers. In some of the manor houses of western France, the watchtower equipped with arrow or gun loopholes was one of the principal means of defense.
A feudal lord could keep watch over his domain from the top of his tower. In southern Saudi Arabia and Yemen, small stone and mud towers called "qasaba" were constructed as either watchtowers or keeps in the Asir mountains. Furthermore, in Najd, a watchtower, called "Margab", was used to watch for approaching enemies far in distance and shout calling warnings from atop. Scotland saw the construction of Peel towers that combined the function of watchtower with that of a keep or tower house that served as the residence for a local notable family. Mediterranean countries, Italy in particular, saw the construction of numerous coastal watchtowers since the early Middle Ages, connected to the menace of Saracen attacks from the various Muslim states existing at the time. Many were restored or built against the Barbary pirates; some notable examples of military Mediterranean watchtowers include the towers that the Knights of Malta had constructed on the coasts of Malta. These towers ranged in size from small watchtowers to large structures armed with numerous cannons.
They include the Wignacourt, de Redin, Lascaris towers, named for the Grand Master, such as Martin de Redin, that commissioned each series. In the Channel Islands, the Jersey Round Towers and the Guernsey loophole towers date from the late 18th Century, they were erected to give warning of attacks by the French. The Martello towers that the British built in the UK and elsewhere in the British Empire were defensive fortifications that were armed with cannon and that were within line of sight of each other. One of the last Martello towers to be built was Fort Denison in Sydney harbour; the most recent descendants of the Martello Towers are the flak towers that the various combatants erected in World War II as mounts for anti-aircraft artillery. In modern warfare the relevance of watchtowers has decreased due to the availability of alternative forms of military intelligence, such as reconnaissance by spy satellites and unmanned aerial vehicles; however watch towers have been used in counter-insurgency wars to maintain a military presence in conflict areas in case such as by the French Army in French Indochina, by the British Army and the RUC in Northern Ireland and the IDF in Gaza and West Bank.
An example of nonmilitary watchtower in history is the one of Jerusalem. Though the Hebrews used it to keep a watch for approaching armies, the religious authorities forbade the taking of weapons up into the tower as this would require bringing weapons through the temple. Rebuilt by King Herod, that watchtower was renamed after Mark Antony, his friend who battled against Gaius Julius Caesar Octavianus and lost. Diaolou Fire lookout tower Observation towers are similar constructions being outside of fortifications. A similar use have Control towers on airports or harbours. Media related to Watch towers at Wikimedia Commons
War of 1812
The War of 1812 was a conflict fought between the United States, the United Kingdom, their respective allies from June 1812 to February 1815. Historians in Britain see it as a minor theater of the Napoleonic Wars. From the outbreak of war with Napoleonic France, Britain had enforced a naval blockade to choke off neutral trade to France, which the US contested as illegal under international law. To man the blockade, Britain impressed American merchant sailors into the Royal Navy. Incidents such as the Chesapeake–Leopard affair, which happened five years before the war, inflamed anti-British sentiment in the US. In 1811, the British were in turn outraged by the Little Belt affair, in which 11 British sailors died. Britain supplied Native Americans who raided American settlers on the frontier, hindering American expansion and provoking resentment. Historians debate whether the desire to annex some or all of British North America contributed to the American decision to go to war. On June 18, 1812, US President James Madison, after heavy pressure from the War Hawks in Congress, signed the American declaration of war into law.
With most of its army in Europe fighting Napoleon, Britain adopted a defensive strategy, with offensive operations limited to the border, the western frontier. American prosecution of the war effort suffered from its unpopularity in New England, where it was derogatorily referred to as "Mr. Madison's War". American defeats at the Siege of Detroit and the Battle of Queenston Heights thwarted attempts to seize Upper Canada, improving British morale. American attempts to invade Lower Canada and capture Montreal failed. In 1813, the Americans won the Battle of Lake Erie, gaining control of the lake, at the Battle of the Thames defeated Tecumseh's Confederacy, securing a primary war goal. A final American attempt to invade Canada was fought to a draw at the Battle of Lundy's Lane during the summer of 1814. At sea, the powerful Royal Navy blockaded American ports, cutting off trade and allowing the British to raid the coast at will. In 1814, one of these raids burned the capital, but the Americans repulsed British attempts to invade New York and Maryland, ending invasions of the northern and mid-Atlantic United States from Canada.
Fighting took place overseas in the Atlantic and Pacific oceans. In neighbouring Spanish Florida, a two-day battle for the city of Pensacola ended in Spanish surrender. In Britain, there was mounting opposition to wartime taxation. With the abdication of Napoleon, the war with France ended and Britain ceased impressment, rendering the issue of the impressment of American sailors moot; the British were able to increase the strength of the blockade on the United States coast, annihilating American maritime trade, but attempts to invade the U. S. ended unsuccessfully. Peace negotiations began in August 1814, the Treaty of Ghent was signed on December 24. News of the peace did not reach America for some time. Unaware of the treaty, British forces invaded Louisiana and were defeated at the Battle of New Orleans in January 1815; these late victories were viewed by Americans as having restored national honour, leading to the collapse of anti-war sentiment and the beginning of the Era of Good Feelings, a period of national unity.
News of the treaty arrived shortly thereafter. The treaty was unanimously ratified by the US Senate on February 17, 1815, ending the war with no boundary changes. Historians have long debated the relative weight of the multiple reasons underlying the origins of the War of 1812; this section summarizes several contributing factors which resulted in the declaration of war by the United States. As Risjord notes, a powerful motivation for the Americans was the desire to uphold national honour in the face of what they considered to be British insults such as the Chesapeake–Leopard affair. H. W. Brands says, "The other war hawks spoke of the struggle with Britain as a second war of independence; the approaching conflict was about violations of American rights, but it was about vindication of American identity." Americans at the time and historians since have called it the United States' "Second War of Independence". The British were offended by what they considered insults such as the Little Belt affair.
This gave the British a particular interest in capturing the United States flagship President, which they succeeded in doing in 1815. In 1807, Britain introduced a series of trade restrictions via the Orders in Council to impede neutral trade with France, which Britain was fighting in the Napoleonic Wars; the United States contested these restrictions as illegal under international law. Historian Reginald Horsman states, "a large section of influential British opinion, both in the government and in the country, thought that America presented a threat to British maritime supremacy."The American merchant marine had nearly doubled between 1802 and 1810, making it by far the largest neutral fleet. Britain was the largest trading partner, receiving 80% of U. S. cotton and 50% of other U. S. exports. The British public and press were resentful of commercial competition; the United States' view was. During the Napoleonic Wars, the Royal Navy expanded to 176 ships of the line and 600 ships overall, requiring 140,000 sailors to man.
While the Royal Navy could man its ships with volunteers in peacetime, it competed in wartime with merchant shi
A ship is a large watercraft that travels the world's oceans and other sufficiently deep waterways, carrying passengers or goods, or in support of specialized missions, such as defense and fishing. A "ship" was a sailing vessel with at least three square-rigged masts and a full bowsprit. Ships are distinguished from boats, based on size, load capacity, tradition. Ships have been important contributors to human commerce, they have supported the spread of colonization and the slave trade, but have served scientific and humanitarian needs. After the 15th century, new crops that had come from and to the Americas via the European seafarers contributed to the world population growth. Ship transport is responsible for the largest portion of world commerce; as of 2016, there were more than 49,000 merchant ships, totaling 1.8 billion dead weight tons. Of these 28% were oil tankers, 43% were bulk carriers, 13% were container ships. Ships are larger than boats, but there is no universally accepted distinction between the two.
Ships can remain at sea for longer periods of time than boats. A legal definition of ship from Indian case law is a vessel. A common notion is, but not vice versa. A US Navy rule of thumb is that ships heel towards the outside of a sharp turn, whereas boats heel towards the inside because of the relative location of the center of mass versus the center of buoyancy. American and British 19th Century maritime law distinguished "vessels" from other craft. In the Age of Sail, a full-rigged ship was a sailing vessel with at least three square-rigged masts and a full bowsprit. A number of large vessels are referred to as boats. Submarines are a prime example. Other types of large vessel which are traditionally called boats are Great Lakes freighters and ferryboats. Though large enough to carry their own boats and heavy cargoes, these vessels are designed for operation on inland or protected coastal waters. In most maritime traditions ships have individual names, modern ships may belong to a ship class named after its first ship.
In the northern parts of Europe and America a ship is traditionally referred to with a female grammatical gender, represented in English with the pronoun "she" if named after a man. This is not universal usage and some English language journalistic style guides advise using "it" as referring to ships with female pronouns can be seen as offensive and outdated. In many documents the ship name is introduced with a ship prefix being an abbreviation of the ship class, for example "MS" or "SV", making it easier to distinguish a ship name from other individual names in a text; the first known vessels could not be described as ships. The first navigators began to use animal skins or woven fabrics as sails. Affixed to the top of a pole set upright in a boat, these sails gave early ships range; this allowed men to explore allowing for the settlement of Oceania for example. By around 3000 BC, Ancient Egyptians knew, they used woven straps to lash the planks together, reeds or grass stuffed between the planks helped to seal the seams.
The Greek historian and geographer Agatharchides had documented ship-faring among the early Egyptians: "During the prosperous period of the Old Kingdom, between the 30th and 25th centuries BC, the river-routes were kept in order, Egyptian ships sailed the Red Sea as far as the myrrh-country." Sneferu's ancient cedar wood ship Praise of the Two Lands is the first reference recorded to a ship being referred to by name. The ancient Egyptians were at ease building sailboats. A remarkable example of their shipbuilding skills was the Khufu ship, a vessel 143 feet in length entombed at the foot of the Great Pyramid of Giza around 2500 BC and found intact in 1954, it is known that ancient Nubia/Axum traded with India, there is evidence that ships from Northeast Africa may have sailed back and forth between India/Sri Lanka and Nubia trading goods and to Persia and Rome. Aksum was known by the Greeks for having seaports for ships from Yemen. Elsewhere in Northeast Africa, the Periplus of the Red Sea reports that Somalis, through their northern ports such as Zeila and Berbera, were trading frankincense and other items with the inhabitants of the Arabian Peninsula well before the arrival of Islam as well as with Roman-controlled Egypt.
A panel found at Mohenjodaro depicted a sailing craft. Vessels were of many types; this treatise gives a technical exposition on the techniques of shipbuilding. It sets forth minute details about the various types of ships, their sizes, the materials from which they were built; the Yukti Kalpa Taru sums up in a condensed form all the available information. The Yukti Kalpa Taru gives sufficient information and dates to prove that, in ancient times, Indian shipbuilders had a good knowledge of the materials which were used in building ships. In addition to describing the qualities of the different types of wood and their suitability for shipbuilding, the Yukti Kalpa Taru gives an elaborate classification of ships based on their size; the oldest discovered sea faring hulled boat is the Late Bronze Age Uluburun shipwreck off the coast of Turkey, dating back to 1300 BC. The Phoenicians, the first to sail around