The Treaty of Florence was signed, which ended the war between the French Republic and the Kingdom of Naples.
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The Yellowstone National Park Protection Act went into law, making it the first National Park in the world.
Oregon became the first US state to pass a minimum wage law.
President Abraham Lincoln signed the Homestead Acts into law.
Franklin D. Roosevelt signed the Social Security Act, creating a government pension system for the retired.
The Naval Act of 1938 passed in United States legislation.
