Innocent Bridget Bishop was the first person to be trialed and hung for witchcraft in Massachusetts, US.
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President Franklin Roosevelt became the first president to travel abroad during war.
The US signed the Equal Pay Act to reduce the difference in pay between sexes.
The Great Arab Revolt against the Ottoman Empire led by Lawrence of Arabia was initiated in Mecca.
Swedish company Saab, previously known for making aircraft, produced their first automobile.
NASA's Explorer 49 was launched into Earth's orbit to research long-range radio waves within the Milky Way.
