The Wuhuan (traditional Chinese: 烏桓; simplified Chinese: 乌桓; pinyin: Wūhuán) were a nomadic people who inhabited northern China, in what is now the provinces of Hebei, Liaoning, Shanxi, the municipality of Beijing and the autonomous region of Inner Mongolia. Traditional Chinese characters are one of two standard character sets of printed contemporary Chinese written language. ... Simplified Chinese characters (Simplified Chinese: 简体字; Traditional Chinese: 簡體字; pinyin: jiǎntǐzì; also called 简化字/簡化字, jiǎnhuàzì) are one of two standard character sets of printed contemporary Chinese written language. ... Pinyin (Chinese: 拼音, pÄ«nyÄ«n) literally means join (together) sounds (a less literal translation being phoneticize, spell or transcription) in Chinese and usually refers to HànyÇ” PÄ«nyÄ«n (汉语拼音, literal meaning: Han language pinyin), which is a system of romanization (phonemic notation and transcription to Roman script) for Standard... Hebei (Chinese: 河北; pinyin: ; Wade-Giles: Ho-pei; Postal System Pinyin: Hopeh) is a northern province of the Peoples Republic of China. ... Liaoning (Simplified Chinese: 辽宁; Traditional Chinese: 遼寧; pinyin: ) is a northeastern province of the Peoples Republic of China. ... Shanxi (Chinese: 山西; pinyin: ; Wade-Giles: Shan-hsi; Postal System Pinyin: Shansi) is a northern province of the Peoples Republic of China. ... â–¶(?) (Chinese: 北京; pinyin: ; Wade-Giles: Pei-ching; Postal System Pinyin: Peking) is the capital of the Peoples Republic of China (PRC). ... Inner Mongolia (Mongolian: ᠥᠪᠦᠷ ᠮᠣᠨᠺᠤᠯᠤᠨ ᠥᠪᠡᠷᠲᠡᠺᠡᠨ ᠵᠠᠰᠠᠬᠤ ᠣᠷᠤᠨ r Mongghul-un bertegen Jasaqu Orun; Chinese: 内蒙古自治区; Hanyu Pinyin: N i Měnggǔ Z qū) is an Autonomous Region of the Peoples Republic of China. ...

They were active throughout the latter half of the Han Dynasty, often incorporated into the regular military forces of the Han armies. Unlike most major non-Chinese peoples on the frontiers of the Chinese empire, the Wuhuan were relatively cooperative with the imperial court. Around the fall of the dynasty in the 190s, however, the Wuhuan joined in many of the rebellions and internal wars of the Chinese. In the 200s, the "Wuhuan of the three commaderies", the tribes closest to the Chinese, supported Yuan Shao, the major warlord north of the Yellow River. In 207, Cao Cao led a forced march deep into Wuhuan territory and decisively defeated them at Mount Bolang. Many Wuhuan horsemen joined him and became known as the "greatest cavalry under heaven". Although various Wuhuan leaders led sporadic revolts throughout the third century, by the fourth century they had largely been displaced by the Xianbei. Han commanderies and kingdoms AD 2. ... Yuan Shao (? – 202) was a major warlord occupying the north of ancient China during the massive civil war towards the end of the Eastern Han Dynasty and the beginning of the Three Kingdoms era. ... For other Yellow Rivers, see Yellow River (disambiguation). ... Cao Cao (155 – 220), whose name is also often transliterated and should be correctly pronounced as Tsao Tsao, was a regional warlord and the last Chancellor of Eastern Han Dynasty who rose to great power during the last years of the Eastern Han Dynasty in ancient China. ... The Xianbei (鮮卑, written Xiānbēi in pinyin or Hsien-pei in Wade-Giles) were a significant nomadic people residing in modern Manchuria and eastern Mongolia before migrating into areas of the modern Chinese provinces of Shanxi, Shaanxi, Gansu, Qinghai, Hebei, Inner Mongolia, and Liaoning. ...