Event:
KSOO (now KSFY) TV channel 13 in Sioux Falls, SD (NBC) 1st broadcast
More Notable Events on July 31:
1991 Senate votes to allow women to fly combat aircraft
1990 Bosnia-Hercegovina declares independence
1971 Apollo 15 astronauts take 6 hour electric car ride on Moon
1964 U.S. Ranger 7 takes 4,316 pictures before crashing on Moon
1949 Lightning strikes a baseball field in Florida, kills SS and 3rd baseman
