The first-ever World AIDS day started in effort to raise awareness of the AIDS global epidemic.
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Slavery in Cape Colony, Britain's colony in South Africa, was abolished by the 1833 Slavery Abolition Act.
Puerto Rico's Arecibo Telescope collapsed less than a month after being decommissioned.
The computer-animated film 'Spider-Man: Into the Spider-Verse' premiered in Los Angeles.
Lady Nancy Astor was sworn in, making her the first female member of British Parliament.
The Kingdom of Iceland was first established.
