The Human Genome Project was completed in London, England.
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5,200 Jews from Athens arrived at Auschwitz.
The FDA authorized the first breathalyzer test that detects COVID-19.
President Abraham Lincoln was assassinated.
The children's cooking show, Matilda and the Ramsay Bunch, premiered on CBBC in the UK.
The Battle of Forum Gallorum took place to besiege Julius Caesar's assassin, Decimus Junius Brutus.