Michael Jackson’s “Thriller” hit number one on the Billboard 200 and stayed there for 37 weeks.
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British Prime Minister Winston Churchill went public that Britain had its first atomic bomb and planned to test it in Australia by the end of the year.
£1 notes were circulated in Britain.
Valentinian I, also known as Valentinian the Great, ascended to the throne as the Roman emperor.
Wyoming's Grand Teton National Park was established after being signed off by President Calvin Coolidge.
In Svalbard, Norway, the Global Seed Vault celebrated its 10th anniversary by adding its one-millionth seed.
