In 209 BC, Mongolia was named Khunnu, ruled by the Shanyu Modun (King Modun), the most powerful rival of the Chinese. The countries of the Chinese people on that side were afraid of the “Ho” raiding and had to build a high city to prevent it. Math may not teach us how to add love poster. (Later, when unification of China in 221 BC, Qin Shihuang connected those high citadels together to form the Great Wall. Later, around the XIV century to the century. XVIIth, the Ming dynasty added more. From the second century BC to the first century BC, the Deo Quyen predominated in Mac Bac. Around the same time, King Han Wudang (140-86), a specialist who went to collect land, occupied the land located in the south of the Desert Desert of the Khun people and established Soc Phuong district. From the 1st century AD to the 4th century, the Tien Ty Manchurian (Sien Pi) controlled the eastern part of Mac Bac. The west is A De Lai’s land (Attalia). This Hungarian lord, perhaps the Punchman, brought his troops to Eastern Europe, occupied the Pannonie plain, now known as Hongrie (Hongrie).