Founders' Day turns 35 Ron Medvescek/Arizona Daily Star Mar 14, 2013 Mariachi Nuevo Melodia's trumpeter, Nico Dominguez, 18, right, belts out a tune during this year's Founders' Day. The all-day festivities included a car and vintage tractor show, local vendors and live entertainment. Ron Medvescek/Arizona Daily Star Tags Marana Founders' Day As featured on +3 Founders' Day turns 35 Recommended More LATEST LOCAL OFFERS American Conditioned Air Is your Heating or Cooling System not performing up to par? Free Estimates* on Complete Systems! Tucson Surveying & Mapping LLC Building a new facility? Contact Tucson Surveying & Mapping to learn more about Topographic Surveying KU Studios Home of Kids Unlimited There's Always Something Happening @ KU Studios. Now Accepting New Students. Click Here for More Information.