The UK Parliament passed the Military Service Act of 1916, introducing conscription in the UK.
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Oregon became the first US state to pass a minimum wage law.
The 11th Amendment to the United States Constitution was ratified.
California Governor Jerry Brown passed a bill to legalize assisted suicide for terminally ill persons.
The 9/11 victim compensation fund was extended indefinitely by the US Senate.
President Donald Trump banned citizens of seven countries from entering the US.