In the third year of Zhenguan of the Tang dynasty (629), Emperor Taizong of Tang ordered Fang Xuanling to supervise the completion of the Book of Sui, which was being compiled around the same time as other official histories were being written. The Book of Sui was completed in 636 AD, the same year as the Book of Chen was completed.
In the third year of Zhenguan in the Tang dynasty (629), Emperor Taizong ordered Fang Xuanling to oversee the completion of the Book of Sui, which was being compiled around the same time as other official histories were being written. The Book of Sui was completed in 636 AD, the same year as the Book of Chen was completed.