The anniversary of the railroad's arrival in Tucson is celebrated with a festival beginning at 11 a.m., Sunday, March 20. A re-enactment at 11 a.m. includes presentation of a silver spike used in the inaugural event 131 years ago. The Old Arizona Brass Band, re-enactors of the 4th Cavalry Regiment band stationed at Fort Lowell, perform music from the 1880s. Other activities include railroad and postal history exhibits, a toy train ride, a jumping castle and vendor booths, and a screening of the film Oklahoma, featuring a cameo of Locomotive #1673, which now resides at the depot, at the Fox Theatre. Pioneer attire is encouraged. Visit tucsonhistoricdepot.org, or call 623-2223 for more information.