Event:
The World Boxing Organization (WBO) has taken back Floyd Mayweather's welterweight title belt, won after his recent victory over Manny Pacquiao; WBO stripped the title after Mayweather failed to pay a $200,000 fee and vacate his existing titles
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
