The UK Parliament passed the Military Service Act of 1916, introducing conscription in the UK.
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The 16th Amendment to the US Constitution was ratified.
California Governor Jerry Brown passed a bill to legalize assisted suicide for terminally ill persons.
The Nineteenth Amendment to the United States Constitution was certified, giving women the right to vote.
Paris barred women from legally wearing pants.
The Death Penalty was abolished in the state of Michigan, except for treason.