Event:
7 Army trucks loaded with dynamite explode in middle of Cali, Columbia killing 1,100-1,200, destroying 2,000 buildings
More Notable Events on July 7:
1987 Oliver North began public testimony at Iran-Contra hearing
1981 1st solar-powered aircraft, Solar Challenger, crosses English Channel
1981 Sandra Day O'Connor nominated for the Supreme Court
1930 Construction begins on Boulder Dam
1550 Chocolate introduced
