Demonstrations broke out in Tbilisi, Georgia, after attempts by the USSR to repress the Georgian language.
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President Abraham Lincoln was assassinated.
The FDA authorized the first breathalyzer test that detects COVID-19.
The French Revolutionary War began after France declared war on Austria.
The Battle of Forum Gallorum took place to besiege Julius Caesar's assassin, Decimus Junius Brutus.
J.C. Penney's opened their first store in Kemmerer, Wyoming.