Center left-wing Independent Labour Party was formed in Britain with Keir Hardie as the leader.
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Serial killer Jeffrey Dahmer changed his plea from not guilty to guilty but insane.
Galileo Galilei discovered Callisto, the fourth moon of Jupiter.
Industrialist Henry Ford's method to construct auto bodies from plastic was patented.
A meteorite that landed in Australia in the 1960s revealed stardust up to 7 billion years old.
Avezzano earthquake claimed 30,000 lives in Italy.