The resolution commemorates the life and contributions of Teofilo "Tio" Archuleta Tachias, who passed away on July 6, 2023, at the age of 87. Born in Cabezon, New Mexico, and raised in Flagstaff, Arizona, Tio was a dedicated community leader, elected official, and consultant. He made history as the first Latino to win a major election in Flagstaff, serving 24 years on the Coconino County Board of Supervisors and later as president of the Arizona Board of Regents. Tio was recognized for his advocacy in tribal sovereignty and self-determination, earning numerous awards, including the César Chávez Diversity Award in 2018.

The resolution expresses the Arizona Legislature's condolences to Tio's family, highlighting his legacy of political activism, community service, and personal warmth. Tio is remembered not only for his significant political achievements but also for his love of family, storytelling, and cultural traditions. He is survived by his wife, children, stepchildren, and numerous grandchildren and great-grandchildren. The resolution was unanimously adopted by both the House and Senate on July 31, 2023.