Israeli Prime Minister Yitzhak Rabin was assassinated in 1995.

Yigal Amir, a right-wing Jewish law student, shot Rabin as he left a peace rally.

Rabin had been trying to establish peace between Israel and Palestine. Two years earlier he'd moved things along when he met with Palestine to try establish a way Palestine could be independent.

But Amir didn't want peace with Palestine, and in that regard his assassination of Rabin was successful. According to The New Yorker, his assassination could be one of the "most effective" in history.

Since then there has been no peace deal. As Dan Ephron wrote for Politico, "Thus, in killing the Israeli leader, Amir did better than the assassins of Lincoln, Kennedy and King, whose policies gained momentum as a result of their murders rather than the other way around."