Beethoven premiered Fidelio in Vienna, Austria, which was his only opera.
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Roman soldier Diocletian was appointed the new Roman Emperor after Roman Emperor Carus's death.
Zumbi, the last of the Quilombo dos Palmares kings, was killed.
FIFA World Cup 2022 kicked off in Qatar.
DC Comics released Flash Comics Issue 1, featuring Flash Gordon.
Oxford Dictionaries declared 'climate emergency' as the word of the year for 2019.