Join the Arizona Historical Society and Mark Santiago for an installment of AHS Summer History Talks: Spanish Period in Arizona! Note: this talk will be in-person at the Arizona History Museum in Tucson.

This presentation will examine the strategy behind Hugo O’Conor’s decision to expand Spanish power into what is now southern Arizona and specifically how and why he chose to locate a new presidio at what is today Arizona’s second largest metropolis.

Help us keep programming free! Consider registering as a supporter and making a $10 donation to the Arizona Historical Society.