He occupied Đường Lâm (modern Sơn Tây, Hanoi), and titled himself Ngô Lãm Công (吳覽公).
Arriving at a seaport on the southern border, he drew a dagger from his waist and slashed his wife’s face, scolding her by saying: "Your father coerced and ravished my mother and younger sister; how can I, just because of you, forget your father’s cruelty?
[3][4] In October 979, Đinh Bộ Lĩnh and Đinh Liễn were killed by a eunuch named Đỗ Thích while they were sleeping in the palace courtyard, and the country fell into chaos.
After hearing the news, Khánh encouraged Paramesvaravarman I, the king of Champa, to invade Đại Việt.
His hope was dashed when a storm destroyed much of the Champa fleet.