 1964, nearly a week of rioting erupted in New York's Harlem neighborhood following the fatal police shooting of a black teenager, James Powell, two days earlier. 1976, at the Summer Olympics in Montreal. Nadia Konici of Romania became the first gymnast to receive a perfect score of 10 from Olympic judges for performance on the uneven bars. 1994, a bomb hit and the van destroyed a Jewish cultural center in Argentina, killing 85.