Water Music by George Frideric Handel premiered on the River Thames, London, at the request of King George I.
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The Apollo-Soyuz Test Project completed the world's first international space rendezvous.
American swashbuckler film 'The Mask of Zorro' was released in the United States.
Twelve North African Christians, known as the Scillitan Martyrs, were executed for their religious beliefs.
Mary Leakey discovered ancient skull remains in Tanzania, Africa.
The British Royal family changed their surname to Windsor.