A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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Second largest country in the world, located in North America, having boundaries with the United States. The political system is parliamentary democratic monarchy, in personal union with the United Ki…
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backed by a reputable source (usually a state actor) and used in lieu of barter to trade for goods and services. Originally currency was produced by containing a set amount…
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energy taken from splitting nucleus of an atom of some chemical elements. This can be used in both peaceful or military goals.
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Religion- or law-enforced union between a man and a woman.
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a blade weapon used primarily for cutting or thrusting.
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For questions about historical practices or events related to non-human animals, including their use by humans, breeding, domestication, hunting, or consumption.
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Refering to the period of 1960 A.D to 1969 A.D in the Gregorian calendar.
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Alexander III of Macedon (356 BC - 323 BC) was a king of the ancient Greek state of Macedon. Commonly known as Alexander the Great, he lead a Greek expedition to Asia and succeeded in conquering the P…
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The Early Medieval Period of European history lasted from the 5th century to the 10th century.
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Questions about the German empire from 18 January 1871, to 1918.
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The northern most countries of Africa that are differentiated from the rest of Africa which lies south of the Sahara desert (those southern countries are also known as sub-Saharan). The UN classifies…
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For questions about the history of music, including its evolution, major events, famous composers and musicians, and growth as an industry. Questions about music theory or other non-historical aspects…
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for all methods to measure time. For example, questions about the hourglass, the sundial, and atomic clocks all fit into "Time-keeping"
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Compulsory payment to the state by all or selected citizens, enforced by law, intended to fund common needs.
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A small country in the west of [tag:europe] next to [tag:spain].
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Internal strife or conflict within a single country, typically of a military nature.
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Topics relating to the ancient Mediterranean city of Carthage, its culture and history, or the territories it controlled.
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For questions about books and related artifacts, events, or places such as scrolls, bookshelves, libraries, etc. Questions can be about a specific book or about the broader history of books.
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Common name of two wars in Vietnam beginning in 1955 as independence revolt in French Indochina, then after partition of the country between South Vietnam and her allies (mostly United States) and Nor…
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A special kind of clothing to identify people as belonging to a specific group. Possibly military, police, or other govermental units.
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For questions related to new lands discoveries made by Europeans in 16th and 17th centuries.
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The 13th century was the century which lasted from January 1, 1201 to December 31, 1300 in the Gregorian calendar.
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generally considered to start at the Renaissance and discovery of the New World (circa 1500) and end around the Age of Revolutions (circa 1800). It is the first part of the …
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Linguistic science describing origins of particular words.
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Questions about China after the fall of the Han Dynasty (A.D. 220) and prior to the early modern period.
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For questions about the nation of Mexico, including its people, history, and politics. Also use this tag for questions about the indigenous cultures and settlers that occupied the same area but predat…