1996: Four monstrous jets of foamy Colorado River water shoot out of a dam as the federal government begins a week-long flood designed to turn back the clock at the Grand Canyon. The flood should stir up sediment, creating hundreds of sandy shores where vegetation can take root to feed birds and fish.

2004: University of Arizona's Hillenbrand Stadium attracts 3,541 fans — the largest crowd in its history — for the UA vs. Team USA softball game. Since 2000, Arizona softball has drawn at least 32,000 fans each year to the stadium.

Want to share an important event from Tucson's history? Email it to krumore@azstarnet.com.