On this day in 1885, the Treaty of Tientsin was signed to end the Sino-French War, with China eventually giving up Tonkin and Annam -- most of present-day Vietnam -- to France.
On this day in 1898, the Ching court signed an agreement with Britain under which Hong Kong was leased to Britain for 99 years.
On this day in 1902, West Point graduates celebrated the 100th anniversary of their alma mater.