Emperor Gia Long unified Vietnam by conquering Hanoi.
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American sci-fi horror movie 'Plan 9 From Outer Space' premiered.
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.
Good Vibes Festival was canceled after The 1975's lead singer kissed his bandmate on stage in protest of Malaysia’s anti-LGBTQIA+ laws.
Palermo, Sicily was liberated by US forces.
