The French Revolutionary War began after France declared war on Austria.
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US President Joe Biden announced the withdrawal of all US troops from Afghanistan by September 11, 2021.
The Human Genome Project was completed in London, England.
The FDA authorized the first breathalyzer test that detects COVID-19.
President Abraham Lincoln was assassinated.
The Battle of Forum Gallorum took place to besiege Julius Caesar's assassin, Decimus Junius Brutus.
