The state of California began issuing marriage licenses to same-sex couples.
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Grease, starring John Travolta and Olivia Newton-John, was released in the US.
Ghostbusters II was released in 2,410 movie theaters across the US.
The British captured Fort Beauséjour in Canada following a battle with the Arcadians, which began on June 3.
Donald Trump announced he was running for President.
Pepsi Cola became an official trademark.
