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The short-lived Mexican Empire (1821-1823) and Second Mexican Empire (1864-1867).
Constantinople or present day Istanbul.
bad mein aana
The Seljuk Turks used Nicaea as the capital of their Seljuk Empire beginning in 1081; in 1097, Nicaea fell back into Byzantine control. In 1204, after the Fourth Crusade, the Laskaris family made Nicaea the capital of their Empire of Nicaea. This empire lasted until 1261.
It was the nation's capital, first of all. Secondly, it was the Empire's administrative, religious and military center.
the location made it easier to defend the empire
The capital of China was moved to Peking, later renamed Beijing, when Kublai Khan finished conquering China. He moved his capital (of the entire Mongol [or Khanbalik] Empire as well as China) there, and it is the capital of China still. For more details, I've cited the answer to the question When did Beijing become the capital of China? The following answer was provided by ID1147162205, and edited by ID1634004284. The city which was earlier known as Peking and Peiping, was founded around 700 B.C. Kublai Khan made it the capital of his Khanbalik Empire, from 1264 to 1267. The Ming emperors made it their capital in 1421 and it remained China's capital till 1912 when the Manchu Empire fell and SunYat Sen turned China into a republic. In 1949, the Communists captured the city and made it their capital, which it has remained to this day.
The Roman Emperor Constantine made it his imperial in capital in 330 (previously there were two capitals, Nicomedia, not far from constantinople, and Milan, in Italy). Even after the Western part of the Roman Empire had disappeared, it continued to be the capital of the surviving part of the Roman Empire (the eastern part) and was known as the capital of the Romans. It was taken over by the Ottoman Turks in 1453 and became the capital of the Ottoman Empire. It was then called Istanbul or, in some official documents, Kostantiniyye. After the fall of the Ottoman Empire, the government of the Turkish Republic made Istanbul the sole name of the city (in 1930)
Constantine never had a thing to do with the "eastern" empire or the "western" empire. He moved the capital of the Roman empire to the eastern city of Constantinople. The connotation of eastern and western was not made by the ancients, but is a term invented by historians to clarify the part of the empire they would be writing about. The ancients considered the empire one, and they all considered themselves Roman.
The city which was earlier known as Peking and Peiping, was founded around 700 B.C. Kublai Khan made it the capital of his Khanbalik Empire, from 1264 to 1267. The Ming emperors made it their capital in 1421 and it remained China's capital till 1912 when the Manchu Empire fell and SunYat Sen turned China into a republic. In 1949, the Communists captured the city and made it their capital, which it has remained to this day.
The capital of China was moved to Peking, later renamed Beijing, when Kublai Khan finished conquering China. He moved his capital (of the entire Mongol [or Khanbalik] Empire as well as China) there, and it is the capital of China still. For more details, I've cited the answer to the question When did Beijing become the capital of China? The following answer was provided by ID1147162205, and edited by ID1634004284. The city which was earlier known as Peking and Peiping, was founded around 700 B.C. Kublai Khan made it the capital of his Khanbalik Empire, from 1264 to 1267. The Ming emperors made it their capital in 1421 and it remained China's capital till 1912 when the Manchu Empire fell and SunYat Sen turned China into a republic. In 1949, the Communists captured the city and made it their capital, which it has remained to this day.