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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.

Questions related to the history of the fourth largest religion in the world which began in the 5th Century BCE in eastern ancient India, based on the teachings of Siddhartha Gautama (later known as G…
24 questions
Bulgarian history is full of interesting events, including kingdoms of Thracians and Macedonians, Bulgarian medieval empires, rules of Ottomans and fights for liberation. Bulgaria was an important pla…
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Questions related to the history of commercial endeavors concerned with the the acquisition of wealth through the harvesting or production of goods or resources, and the buying or selling of those goo…
38 questions
The Byzantine Empire was an Empire in Southern and Eastern Europe, West Asia, and North Africa. Originally the Eastern portion of the Roman Empire, the Byzantine empire is typically dated from May 11…
119 questions
Questions relating to any of the Roman emperors that claimed the title of Caesar (beginning with Augustus and ending with Palladius), as well as Romans bearing the cognomen Caesar and the later use of…
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For questions about different systems of measuring time.
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Questions about, or related to, the state of California in the United States.
101 questions
A caliphate is an Islamic state led by a supreme leader known as a caliph, a successor, to Muhammad and the other prophets of Islam.
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Questions regarding the history of Calvinism, which is a major theological branch of Protestantism based largely on the faith and practices set forth by John Calvin in the 16th century AD.
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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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Questions regarding the history of Capitalism, which as an economic theory based on the private ownership of resources and the means of production, for the purpose of creating profits.
15 questions
The Caribbean is the region between North America and South America nestled between the Atlantic Ocean and the Gulf of Mexico. The Caribbean refers to both the group of islands that populate the regio…
19 questions
Topics relating to the ancient Mediterranean city of Carthage, its culture and history, or the territories it controlled.
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Cartography is the making and studying of maps. Maps are generally a way to visualise spatial information, but can also include other types of information, such as time, flora, fauna, objects and even…
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For questions on castles, a type of fortified structures common in Medieval Europe, and analogous fortifications found elsewhere in the world.
35 questions
Catalonia is a region in the north-east of the Iberian peninsula. After Hellenic colonists, Carthage, Rome, and the Muslim invaders, Catalonia became the heart of the Counts of Barcelona who also came…
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The largest Christian Church and one of the oldest. The Catholic Church is overseen by a hierarchy led by the Pope.
142 questions
The Caucasus, or Caucasia, is an area situated between the Black Sea and the Caspian Sea and mainly occupied by Armenia, Azerbaijan, Georgia, and Russia.
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Part of army that is moving and fighting on horseback. In some areas other animals were used, like camels in Arabia. The modern cavalry units are equipped in helicopters.
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for speakers of the Celtic language or other groups traditionally identified as Celtic in historical sources, as well as modern Celtic nations of Wales, Scotland, Ireland, Brittany, Cornw…
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A census is a statistical procedure foundational to demographics. It now consists of systematically acquiring, counting, calculating, recording, and publishing information about a given population and…
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Charles V was the ruler of the Holy Roman Empire from 1519-1556 AD. He was also the ruler of Spain from 1516-1556 AD under the name Charles I.
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A chartered company is an association with investors or shareholders and incorporated and granted (often exclusive) rights by royal charter (or similar instrument of government) for the purpose of tra…
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Strategy board game played by two players, dating the first millennium AD.
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Questions about the history of the South American Andean region that is today occupied by the country of Chile.
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