Construction began on the Hoover Dam in Nevada.
It was originally called the Boulder Dam.
Source
Spanish conquistadors defeated a large Aztec army at the Battle of Otumba.
Tourists in Kazakhstan beat a seal unconscious on a beach so that children could take pictures with it.
The world celebrated the introduction of sliced bread for the first time.
Sir Isaac Newton gained a master's degree from Trinity College, Cambridge, England.
In just 57 seconds, illusionist Harry Houdini successfully unchained himself while underwater.
