On 15 March 44 BCE.
March 15th
After becoming a dictator of Rome for life in 45BC a year later he was assassinated.
On 28 June 1914.
28th June 1914
a movie theater
Austria
No, it was Trebonius' job to take Mark Antony away from the Senate before the assassination; his hand would not have become bloody until he shook Antony's after the assassination.
November 22, 1963
In about 50 BC.
Ambassador Hotel
Booth's death should not be termed an assassination. He refused to surrender and was shot and killed while resisting arrest.
Outside the Theatre of Pompey