1854: The General Jessup river steamer is the first to reach the Black Canyon on the Colorado River.

1862: Confederacy President Jefferson Davis signs the Enabling Act, making Arizona a Confederate Territory.

1927: The Tucson Daily Star announces that Señor Juan Evaristo Anchondo has developed a self-lighting cigarette which is ignited by briskly rubbing the tip over a striking surface on the package.

1932: Thirty Tucson tots apply for 12 University of Arizona preschool spots.

1952: The Great Seal of the Navajo Tribe is adopted by the Tribal Council. The winning entry was submitted by John Claw, Jr.

Want to share an important event from Tucson's history? Email it to krumore@azstarnet.com.