Pope Gregory XII was appointed head of the Catholic Church by a conclave of 15 cardinals in Rome.
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Michael Jackson's sixth studio album, 'Thriller,' was released by Epic Records.
OpenAI launched ChatGPT as a prototype.
Pink Floyd released their eleventh studio album titled The Wall.
The Balmis Expedition began in Spain. It's considered the first international healthcare expedition in history.
The world's first international soccer match took place.
