Mongolia was originally called Outer Mongolia or Khalkha Mongolia. Mongolians have a history of thousands of years. /kloc-At the beginning of the third century, Genghis Khan unified the tribes in the north and south of the desert and established a unified Mongolian khanate. 1279- 1368 established the Yuan Dynasty. 19 1 1 65438 In February, Mongolian princes declared "autonomy" with the support of Russia. 19 19 abandoned "autonomy". 192 1 Mongolian people's revolution was successful, and in July of the same year 1 1 established a constitutional monarchy. 1924165438+1On October 26th, the constitutional monarchy was abolished and the Mongolian People's Republic was established. 1in February, 945, the Yalta summit of Britain, the United States and the Soviet Union stipulated that "the status quo of outer Mongolia (Mongolian people and the Republic) must be maintained" as one of the conditions for the Soviet Union to participate in the war. 1946 65438+1October 5th, when the then government of China recognized the independence of Outer Mongolia. 1992 changed its name to "Mongolia" in February.