Today in History - 07 July

1986 IBM-PC DOS Version 3.2 (updated) released

1981 1st solar-powered aircraft, Solar Challenger, crosses English Channel

1972 1st women FBI members sworn in (Susan Lynn Roley and Joanne E Pierce)

1923 University of Delaware invents "junior year abroad" (at Sorbonne)

1891 Travelers checks patents

1802 1st comic book "The Wasp," is published

1550 Chocolate introduced