Prince William of Wied arrives in Albania to begin his reign as King.

Bayer registers “Aspirin” as a trademark.

The Treaty on the Non-Proliferation of Nuclear Weapons goes into effect after ratification by 43 nations.

A massive car bomb explodes in front of the BBC Television Centre in London, seriously injuring one person; the attack was attributed to the Real…

Second Opium War: France and the United Kingdom declare war on China.

Alexander II becomes Tsar of Russia.

Provisional Irish Republican Army member Bobby Sands begins his hunger strike in HM Prison Maze.