Question: What Spaniard fought the Tiwa Indians and saw the Colorado River?
Sentence (from "Tiguex War"): It was fought in the winter of 1540-41 by the expedition of Francisco Vázquez de Coronado against the twelve or thirteen pueblos of Tiwa Indians as well as other Puebloan tribes along both sides of the Rio Grande, north and south of present-day Bernalillo, New Mexico, in what was called the Tiguex Province.
Relevant evidence: Yes