Which 13th-century Mongol warlord controlled probably a larger area than anyone in history, from the Yellow Sea to the Black Sea?
Christianity in the 13th century II repudiated the union. Mongol rule in Russia lasted from the 13th (Genghis Khan's army entered Russia in 1220s) through the 15th century, the Russian church enjoyed a favored position, obtaining immunity from taxation in 1270. Through a series of wars with Muslim countries the church did indeed establish itself as the protector of Orthodoxy. Christianity in the 13th century The Eastern Roman ("Byzantine") imperial church headed by Constantinople continued to assert its universal authority. By the 13th century this assertion was becoming increasingly irrelevant as the Eastern Roman Empire shrank and the Ottoman Turks took over most of what
Black Sea in the countries bordering the sea: Such names have not yet been shown conclusively to predate the 13th century, but there are indications that they may be considerably older. In Greece, the historical name "Euxine Sea", which holds a different meaning (see below), is still widely used: The Black Sea is one of four seas named in English after common colour terms—the others being the Red Sea, the White Sea and the Yellow Sea. The principal Greek name "Póntos Áxeinos" is generally accepted to be a rendering of Iranian word (“dark colored”), compare Avestan (“dark colored”), Old Persian (color of