1950: The Indianapolis 500 was part of the Formula 1 World Championship calendar from 1950–1960. A rumor circulated at race morning, that Johnnie Parsons' engine had an irreparable crack. During the race, his hard charging performance sees him leading, and picking up lap leader prizes. At 345 miles (555 km) the rain comes, and Parsons is declared the winner as the race is called at lap 138. Clark Gable and Barbara Stanwyck film scenes from the movie "To Please a Lady" during the race.