Rio Grande border disputes

From Wikipedia, the free encyclopedia

The Rio Grande (Río Bravo del Norte) has changed course several times in recorded history, leading to a number of border disputes, both international (involving Mexico and the United States) and between individual U.S. states:

  • The Horcon Tract was a disputed parcel of land that included Rio Rico, Texas. This dispute was resolved by treaty in 1970, but the official handover did not take place until 1977.