March 5th in History

The Boston Massacre occurred on March 5, 1770 and author Ann Rinaldi wrote the Book entitled The Fifth of March in 1993.

Other events from March 5th are:

1836: Samuel Colt released the first Colt revolver.
1868: Impeachment proceedings began against President Andrew Johnson.
1933: The Nazis won parliamentary elections, giving control of the country to Adolf Hitler.
1946: Winston Churchill used the term 'Iron Curtain' in a speech

March 5th seems to be an ominous date in history.

Any good things you can think of that happened on March 5th in history?