Zizhi Tongjian anecdotes

Through time and space, become the king of medicine in the troubled times of the northern and Southern Dynasties, you were among the Western Wei Dynasty, the Northern Qi Dynasty and the southern Chen Dynasty! In the great Sui Empire, create a prosperous era with Queen Dugu! In the prosperous age of the Tang Dynasty, I pointed out the country with Taizong... Princess Yuwen, empress Dugu, who is my favorite?