Emperor Gia Long unified Vietnam by conquering Hanoi.
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The Mariner 1 Space Probe was forced to self-destruct minutes after launching.
The British House of Commons passed the Slavery Abolition Act.
Funai Electric announced that the world's last VCR would be manufactured this month.
Marvel's 'Avengers: Endgame' became the most financially successful movie of all time.
A deadly 106°F heatwave in Japan killed at least 65 people, and more than 22,000 were hospitalized.
