Girls rule, boys sit in the sidecar. Go on with your bad selves.
A group of women associated with the Hells Angels, 1973.
REX USA/Bob Carlos Clarke
A woman and a performing seal at a circus, 1935.
Reg Speller/Fox Photos / Getty Images
The Motor Maids of America outside the shop they used as their headquarters, 1950.
Douglas Grundy/Three Lions / Getty Images
Children being pulled along by a woman on a motorbike in London, 1926.
Fox Photos / Getty Images