 Trần Thủ Độ arranged a marriage between Chiêu Hoàng and Trần Cảnh, the eight-year-old son of Trần Thừa.With Trần Cảnh being the Empress Regnant's husband, Trần Thủ Độ was able to overthrow the Lý Dynasty by making Lý Chiêu Hoàng pass the throne to Trần Cảnh, now Trần Thái Tông, in 1225.After the coronation of his son, Trần Thừa acted as Regent of the Emperor, but it was Trần Thủ Độ in the position of Grand Chancellor (Vietnamese