Đại Cồ Việt's Tribute Missions to Song

Timeline

1. 1025Thăng Long (capital of Đại Cồ Việt) · VietnamIn the late reign of Lý Thái Tổ, Đại Cồ Việt continued to acknowledge Song suzerainty, maintaining the investiture and tribute relationship established in 1010. The Song court used titles such as King of Jiaozhi and Military Commissioner of Jinghai to keep the Lý dynasty within its orbit, and both sides avoided conflict on the northern border.
2. 1025Đại Cồ Việt · VietnamIn the same year, Zhenlan (Champa) sent envoys to pay tribute to Đại Cồ Việt; while expanding southward, the Lý dynasty also accepted tribute from southern vassal states, forming a dual tributary pattern of submitting to Song in the north and holding vassals in the south.