[1] The reservation was created in 1882 by President Chester A. Arthur, via executive order, and originally encompassed 22,400 acres.
[2] In 1960, the Army Corps of Engineers completed construction of the Painted Rock Dam on the Gila River.
Flood waters impounded by the dam periodically inundated approximately 10,000 acres (40 km2) of the Gila Bend Reservation.
Residents were relocated to a 40-acre (160,000 m2) parcel of land named San Lucy Village, near Gila Bend, Arizona.
[6] In 2011, the U.S. Congress passed the Gila Bend Indian Reservation Lands Replacement Clarification Act (H.R.