Coca-Cola patents its iconic contoured bottle, Al Capone leaves prison, Luke and Laura get married, Harry Potter makes his movie debut, and Prince William and Kate Middleton announce their engagement, all on this day.
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Tampa Police Department
1969: Janis Joplin is arrested in Tampa, Fla., on charges of using "vulgar and indecent language" after yelling obscenities at police officers during a concert. The charges would eventually be dropped after it was ruled that the singer's actions were an exercise of free speech.