3/22/2025 - U of A Old Main Building

 

Old Main, University of Arizona, originally known as the University of Arizona, School of Agriculture building was the first building constructed on the U of A campus. This building is one of the oldest surviving educational structures in the western United States.

The construction of the Old Main began on October 27, 1887, and finished on October 1, 1891.  Old Main, then the only building on the campus contained the classrooms, library, offices and dorm.  Six faculty taught 32 students in 1891.