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From Otto's coronation to SpaceX's Falcon Heavy's maiden flight.
We've got it all covered! Let's dive into today's history.
Massachusetts becomes the sixth state to ratify the US Constitution.
Otto becomes the first modern King of Greece.
Elizabeth II becomes Queen of the United Kingdom.
Jack Kilby of Texas Instruments files the first patent for an integrated circuit.
SpaceX's Falcon Heavy, a super heavy launch vehicle, makes its maiden flight.