IMPORTANT DATES IN POLICE HISTORY
1878-1881
Notorious outlaw, "Billy the Kid," kills six law enforcement officers in New Mexico.
October 26, 1881
Legendary lawman Wyatt Earp, his brothers and "Doc" Holliday, win the Wild West era's most famous gunfight at the O.K. Corral.
1902
Fingerprinting is first used in the United States.
1910
Alice Stebbins Wells, of the Los Angeles Police Department, becomes the first female officer with arrest powers.
1914
Berkeley, California Police Department becomes the first agency in the country to have all patrol officers using automobiles.