10th June 1935: Alcoholics Anonymous was founded by Bill Wilson and Robert Smith

Alcoholics Anonymous, which operates through local groups that follow a 12-step rehabilitation program to help people overcome alcoholism, is now estimated have around two million members worldwide.

21st March 1952: Moondog Coronation Ball, the first rock and roll concert, takes place in Cleveland, Ohio

By the time the concert began at 10pm on 21 March there were thousands of people outside the arena unable to get in who resorted to breaking through the doors.

20th August 1920: America’s NFL, known at the time as the American Professional Football Conference, was established

A local newspaper reported that the league was established to ‘raise the standard of professional football in every way possible, to eliminate bidding for players between rival clubs and to secure cooperation in the formation of schedules’.