Treaty of Tien-Tsin
- Treaty of Tien-Tsin between the United States of America and the Empire of China (18 June 1858)
- Treaty of Tien-Tsin between the Queen of Great Britain and the Emperor of China (26 June 1858)
- Sino-French Treaty of Tien-Tsin (27 June 1858)
- Sino-Russian Treaty of Tien-Tsin (1858)