The marriageable age of ancient women in China.

Pre-Qin decree: Men marry at thirty, and women marry at twenty.

Qi Huangong in the Warring States Period: 30 males and 15 females.

Goujian Mausoleum of the King of Yue in the Warring States Period: male 20, female 17.

Emperor Hui of Han ordered: fifteen women.

Order of Emperor Wu of Jin Dynasty: female seventeen.

Emperor Wu of the Northern Zhou Dynasty ordered: fifteen men and thirteen women.

Emperor Taizong's Zhenguan Order: Twenty males and fifteen females.

Tang Xuanzong kaiyuanling: fifteen males and thirteen females.

Song Renzong was born with spirit: fifteen males and thirteen females.

Song Ningzong Jiading Order: 16 males and 14 females.

Song Sima Guang's calligraphy instrument: sixteen males and fourteen females.

Song Zhuxi's family gifts: sixteen men and fourteen women.

Ming Taizu Hong Wuling: Sixteen males and fourteen females.

Ritual system in Qing dynasty: sixteen men and fourteen women.