Europe surrendered to “Waterloo” as ABBA smashed the 19th Eurovision Contest in Brighton, England.
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The first modern international Olympic Games began in Athens, Greece.
The Church of Jesus Christ of Latter-day Saints was founded in LaFayette, New York, by Joseph Smith.
The US declared war against Germany and its Central Powers Alliance in World War I.
The Declaration of Arbroath was signed in Scotland to reaffirm the country's independence.
The first known animal contracted COVID-19.
