Bumin Qaghan vs Chen Baxian

Bumin, a vassal of the Rouran Khaganate, led a revolt of the Turkic tribes (Ashina clan) against Rouran rule. He defeated the Rouran forces and declared independence, marking the beginning of the First Turkic Khaganate.

Bumin Qaghan formed an alliance with the Western Wei dynasty of China, marrying a Western Wei princess. This alliance provided the Turks with Chinese support and technology, strengthening their position against the Rouran and other rivals.

Bumin Qaghan formally established the First Turkic Khaganate after defeating the Rouran. He took the title 'Qaghan' and set up his capital in the Orkhon Valley. The khaganate quickly became a major power on the Eurasian steppe.

Bumin Qaghan died shortly after founding the Turkic Khaganate, possibly from illness or wounds. His death led to the division of the khaganate between his sons, with the eastern and western halves ruled separately, though still under a single nominal authority.

Chen Baxian repelled a Northern Qi invasion of the Chen dynasty. His victory secured the southern border and stabilized the new dynasty.

Chen Baxian forced the abdication of the last Liang emperor and proclaimed himself emperor, founding the Chen dynasty. He established his capital at Jiankang (Nanjing) and began rebuilding after the Hou Jing rebellion.

Chen Baxian died of illness after a short reign of two years. His death left the Chen dynasty in a precarious position, but it survived under his successors until 589.