Construction began on the Hoover Dam in Nevada.
It was originally called the Boulder Dam.
Source
NASA's Opportunity Mars rover launched from the Florida Cape Canaveral Space Force Station.
Sir Isaac Newton gained a master's degree from Trinity College, Cambridge, England.
The London bombings took place.
Dutch artist Wilfred Stijger broke the world record for the tallest sandcastle.
Jesse James and the famous James-Younger Gang robbed the Missouri Pacific Railroad near Otterville, Missouri, US.
