Besides the clash with his father, Trần Quốc Tảng's life was rarely mentioned in "Đại Việt sử kí toàn thư", the most comprehensive historical account about dynastic eras of Vietnam. It was said that the general Trần Quốc Tảng fought with his brothers under the command of Trần Quốc Tuấn during the second Mongol invasion of Đại Việt and was promoted to governor (tiết độ sứ) after the war. Together with Trần Chiêu Minh, he did participated in a military campaign in 1297 with the purpose of putting down a revolt rose in the mountainous region. Trần Quốc Tảng was also one of the first mandarins in royal court realized the bad character of Trần Khắc Chung after his trip to Champa with the purpose of saving Princess Huyền Trân from the death.