Booth was an actor and Southern sympathizer who assassinated President Lincoln right after the United States Civil War.

Historians will always argue over who his co-conspirators were, but the fact is John Wilkes Booth shot Abraham Lincoln and he died soon after.

Abraham Lincoln was voted as our 16th president of the United States. Soon after his election some of the southern states started seceding. After a long ,bloody ,painful struggle our union survived. He was re-elected by a very divided nation, and assassinated soon after.

Aaron Burr was a founding father and politician, who killed the better-known founding father Alexander Hamilton in a duel.

Jack Ruby was a Texas club owner,who shot to death Lee Harvey Oswald who assassinated President Kennedy.

Sir Han sir Han is the man who assassinated Robert Kennedy, the Democratic presidential candidate and brother of President John F Kennedy.

More Info: history.com