Marvin Gaye’s “What’s Going On” single was released.
The song was inspired by police brutality witnessed in the 1970s.
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The classic song 'Mr. Tambourine Man' was recorded by The Byrds.
The US published its first book on Geology – 'Observations on the Geology of the United States' by William Maclure.
US hostages were released in Iran after 444 days.
Jacob Sartorius released his debut album, "The Last Text EP."
'In Old Arizona' became the first full-length talking motion picture filmed outdoors.
