Conquest

Đại Việt conquest of Bồn Man (Muang Phuan)

Armies under Lê Thọ Vực and then Lê Niệm entered Bồn Man, burned its strongholds and drove out the rebel chief Cầm Công, who died; the starving survivors surrendered and a relative, Cầm Đông, was made its governor.

Meanwhile, elsewhere