1909: Two bankers who wrecked the First National Bank in Bisbee are given the minimum sentence of five years in prison.
1910: The Pima County Board of Supervisors offers $500 for the arrest and conviction of the killers of stage line operator and rancher Oscar Buckalew.
1912: Executive Order 1538 sets aside the Ak Chin Reservation for the Maricopa Indians.
1918: Matthew B. Juan, later known as Matthew Rivers, a Pima Indian, is killed at Cantigny, France as a member of Company K, 28th Infantry. He is the first Arizonan to die in World War I. Rivers and World War II Marine Ira Hayes are honored at Matthew B. Juan - Ira H. Hayes Veterans Memorial Park in Sacaton.
Want to share an important event from Tucson's history? Email it to email@example.com.