Ly Bi, declared emperor in February 544,…
544 CE
Ly Bi, declared emperor in February 544, establishes the empire Van Xuân ("10,000 Springtimes") in Long Bien (modern-day Hanoi), surrounding himself with effective leadership in military and administrative scholars.
His armies repel attacks from the kingdom of Champa.
In October, the Liang Dynasty retaliates against Van Xuân and sends an imperial army (one hundred and twenty thousand men) under Chen Baxian to reoccupy the region.