1898: Arizona barbers raise their prices to an unheard of high for a shave — 25 cents.
1910: Edward Hughes, one of the original locators of the Helvetia mines, dies.
1916: The town of Pima is incorporated.
2009: The last edition of the Tucson Citizen, the longest running newspaper in Arizona, runs off the press. The Gannett Co. shutters the publication, which published its first edition as the Arizona Citizen on Oct. 15, 1870, in a move to cut costs.
Want to share an important event from Tucson's history? Email it to email@example.com.