On this day:
1894 Nicholas II became Tsar of Russia, the last Tsar of Russia
1952 First large hydrogen bomb tested by the U.S. The bomb, codenamed Mike, was part of Operation Ivy
1993 Maastricht Treaty comes into force, creating a common currency for EU, the Euro
Born on this day:
1871 Stephen Crane, American journalist, author, poet
Gone on this day:
1972 Ezra Pound, American poet
2012 Agustín García Calvo, Spanish philosopher, poet