1. REX USA/Bob Carlos Clarke A group of women associated with the Hells Angels, 1973. 2. Reg Speller/Fox Photos / Getty Images A woman and a performing seal at a circus, 1935. 3. Douglas Grundy/Three Lions / Getty Images The Motor Maids of America outside the shop they used as their headquarters, 1950. 4. Fox Photos / Getty Images Children being pulled along by a woman on a motorbike in London, 1926. 5. Courtesy of the Library of Congress / loc.gov Sally Halterman, the first woman to be granted a license to operate a motorcycle in the District of Columbia, 1937. 6. Evening Standard / Getty Images A woman riding a Triumph Tiger Cub motorbike, 1960. 7. Chris Ware/Keystone Features / Getty Images The Riverhill Riders Club, 1962. 8. General Photographic Agency / Getty Images A woman alongside her Harley-Davidson in California, 1925. 9. H. F. Davis/Topical Press Agency / Getty Images Nancy and Betty Debenham, well-known motorcyclists, riding BSA bikes with their dog, 1925. 10. Hulton Archive / Getty Images Nancy setting off for a motorcycle rally in England, 1934. 11. R. Wesley/Fox Photos / Getty Images A woman rider in the Six Days Motorcycle Trial, in which competitors have to cover 200 miles a day over rough terrain, 1933. 12. Fox Photos / Getty Images Workers measuring the positions of footrests and controls on partially finished motorcycles, 1933. 13. Topical Press Agency / Getty Images A woman dispatch rider with a male friend in tow during World War I, 1917. 14. London Express / Getty Images A reverend blesses the motorcycle of a woman who is learning to drive, 1938. 15. Douglas Grundy/Three Lions / Getty Images A woman repairing her motorbike inside a workshop, 1950. 16. Kirby/Topical Press Agency / Getty Images Miss E. Foley and Miss L. Ball, entrants in the International Six Days Reliability Trials, at Brooklands race track in England, 1925. 17. Topical Press Agency / Getty Images A woman on a 500 OEC Tinkler All-Weather Model designed for use on rough roads and cross-country, 1928. 18. Fox Photos/Hulton Archive / Getty Images Women feeding seagulls on motorcycles in Daytona, Fla., 1968. 19. Brooke/Topical Press Agency / Getty Images Madge Saunders and her husband, British comic actor Leslie Henson, 1920. 20. Hulton Archive / Getty Images A woman on her BMW motorcycle, 1935. 21. Topical Press Agency / Getty Images Three women riding motorbikes at the ACU Trials in Birmingham, England, 1923. 22. A. Hudson/Topical Press Agency/Hulton Archive / Getty Images A woman trying out a Douglas motorcycle on display at the 18th Cycle and Motorcycle Show in London, 1933. 23. Hulton Archive / Getty Images Beryl Swain, the first woman to compete as a solo entrant in the annual TT race on the Isle of Man, on her 50cc motorbike, 1962. 24. Keystone/Hulton Archive / Getty Images Beryl Swain training for the annual TT race, 1962. 25. Topical Press Agency / Getty Images A woman riding a motorcycle alongside a woman on a horse in London, 1921. 26. Hulton Archive / Getty Images Women of Achille Serre Ltd's Private Fire Brigade setting off on their motorcycle and sidecar to compete in the London Private Fire Brigades' Tournament, 1925. 27. Fox Photos/Hulton Archive / Getty Images Marjorie Dare (Doris Smith) riding hands free around "The Wall of Death" sideshow at the Kursaal amusement park in Essex, England, 1938. 28. Fox Photos/Hulton Archive / Getty Images Marjorie Dare performing, 1938. 29. Topical Press Agency / Getty Images Two women ready to play tennis on a BSA motorbike, 1925. 30. REX USA/George Konig Outside a motorcycle shop, 1964. 31. Hulton Archive / Getty Images Marjorie Cottle (second from left), a famous motorcyclist, and friends in Germany, 1920. 32. Fox Photos / Getty Images An entrant in a ladies-only reliability trial in London, England, 1927.