On this day in 1925, a total of 29 countries signed the Geneva Protocol prohibiting the use of poisonous gases in war.
On this day in 1950, the first kidney transplant was performed by Dr. Richard Lawler in Chicago.
On this day in 1960, the Chinese communists launched 85,965 shells toward the island of Kinmen on the eve of U.S. President Dwight D. Eisenhower's visit to the Republic of China.
On this day in 1967, Communist China detonated its first hydrogen bomb.
On this day in 1999, the International Labor Organization adopted a treaty banning the worst forms of child labor, including slavery and forced military recruitment.