France became the first country in the world to include access to abortion in its constitution.
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Maryland passed its first anti-amalgamation law.
The Standard Time Act was signed into US law, introducing Daylight Saving Time.
The Slave Abolition Act was passed and came into effect the following year on August 1.
The Nineteenth Amendment to the United States Constitution was certified, giving women the right to vote.
The Supreme Court of the United States decided on the rule that police cannot examine the contents of a cell phone without a search warrant.
