July 30
1870 - Monmouth Park opens with a five-day race meet.
1930 - Host Uruguay beats Argentina 4-2 to win soccer's first World Cup.
1932 - The 10th modern Olympic Games open in Los Angeles.
1961 - Jerry Barber edges Don January by one stroke in a playoff to win the PGA title.
1968 - Washington's Ron Hansen pulls off an unassisted triple play in the Cleveland Indians' 10-1 victory.
1971 - In the NFL Chicago All-Star Game, the Baltimore Colts beat the All-Stars 24-17.
1976 - Bruce Jenner sets the world record in the Olympic decathlon with 8,618 points, breaking Nikolai Avilov's mark by 164 points.