The Nineteenth Amendment to the United States Constitution was certified, giving women the right to vote.
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Segregation of races on public transport became illegal as ruled by US Supreme Court.
President Harry Truman signed the National Security Act.
The Slave Abolition Act was passed and came into effect the following year on August 1.
The US Federal Trademark Act began, which allowed authorization of Trademarks.
Paris barred women from legally wearing pants.