The Opportunity Mars rover sent its last signal to Earth.
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The Great Arab Revolt against the Ottoman Empire led by Lawrence of Arabia was initiated in Mecca.
Alcoholics Anonymous was founded in Akron, Ohio.
The first class of students graduated from the United States Naval Academy.
Innocent Bridget Bishop was the first person to be trialed and hung for witchcraft in Massachusetts, US.
The US signed the Equal Pay Act to reduce the difference in pay between sexes.
