Although his war party raided in Mexico before crossing the Rio Grande into Texas on the 13th, July 17, 1881, is official Opening Day of Nana’s Raid. That’s the day the hostiles unequivocally announced their presence in the territory by jumping Lt. Guilfoyle’s pack train in Alamo Canyon. It also marks the first of many puzzles surrounding the raid. No mystery over why the Apaches would ambush an Army supply train, but why did they linger in the neighborhood for another two days?