Emperor Taiwu of Northern Wei vs Valentinian I

Taiwu's forces conquered the Xia state, a Xiongnu-led kingdom in the Ordos region. This victory eliminated a major rival and secured Northern Wei's western frontier.

Taiwu's army conquered the Northern Yan state in Liaoning, extending Northern Wei's control into the northeast. This further consolidated his unification of the north.

Emperor Taiwu of Northern Wei conquered the Northern Liang state, completing the unification of northern China under the Northern Wei dynasty. This ended the Sixteen Kingdoms period and established Northern Wei as the dominant power in the north.

Emperor Taiwu issued an edict suppressing Buddhism, ordering the destruction of monasteries, scriptures, and images. This was part of his promotion of Daoism and consolidation of state control, and it severely weakened Buddhism in northern China for a time.

Emperor Taiwu was assassinated by the eunuch Zong Ai, who then placed Taiwu's son on the throne. This event caused a brief succession crisis and highlighted the power struggles within the Northern Wei court.

After the sudden death of Jovian, the Roman army elected Valentinian I as emperor at Nicaea. Valentinian was a capable military officer from Pannonia. He immediately appointed his brother Valens as co-emperor for the East, dividing the empire.

Valentinian I launched a series of campaigns against the Alamanni tribes who had invaded Gaul. He crossed the Rhine River and defeated them at the Battle of Solicinium (modern Rottenburg am Neckar). These campaigns secured the Rhine frontier for a decade.

Valentinian I ordered an extensive program of fortification along the Rhine and Danube borders. He built new forts, repaired existing walls, and established a system of watchtowers. This defensive strategy strengthened Roman control and deterred barbarian raids.

While receiving a delegation of Quadi barbarians at Brigetio on the Danube, Valentinian I became enraged at their insolent demeanor. He suffered a stroke (apoplexy) and died shortly after. His sudden death left the Western Empire in the hands of his young sons Gratian and Valentinian II.