In Svalbard, Norway, the Global Seed Vault celebrated its 10th anniversary by adding its one-millionth seed.
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Oprah Winfrey was declared not guilty after cattlemen tried to sue her for saying American beef could spread mad cow disease.
The HMHS Britannic, sister to the RMS Titanic, was launched at Harland and Wolff shipyard in Belfast.
£1 notes were circulated in Britain.
Valentinian I, also known as Valentinian the Great, ascended to the throne as the Roman emperor.
Michael Jackson's 'Thriller' hit number one on the Billboard 200 and stayed there for 37 weeks.
