Pedro I was crowned Emperor of Brazil.
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Lady Nancy Astor was sworn in, making her the first female member of British Parliament.
The Japanese broadcaster NHK launched the world's first super-high definition 8K television channel.
The computer-animated film 'Spider-Man: Into the Spider-Verse' premiered in Los Angeles.
The first-ever World AIDS day started in effort to raise awareness of the AIDS global epidemic.
Jay-Z stabbed Lance Rivera.
