According to Liang Shu Zhang Mian Biography and Zhou Shu Ji Cheng Biography, Princess Fuyang, the fourth daughter of Liang Gaozu, and Princess Pingyuan, the daughter of Northern Zhou Gaozu, were both married at the age of 1 1. Zhao Di, the Emperor of the Han Dynasty, succeeded to the throne at the age of 8 and married Shangguan 'an, who had just turned 6, as the queen.
In fact, the communication between men and women in ancient times was not as closed as we thought. In the pre-Qin period, the government provided single men and women with an annual opportunity to communicate. "Mid-spring" in the Spring and Autumn Period is a typical gathering for men and women to make friends. Its theme is "running", which means running away with the person you love. The "local official matchmaker" in "Zhou Li" said, "In mid-spring, men and women must book, so at the same time, runners can't help it. If they don't use orders for no reason, they will be punished. "