An 1818 map was used to negotiate a boundary treaty between the United States and Spain, then Mexico, then the Republic of Texas, then the State of Texas.  The only problem was, the map was wrong!  Learn about a boundary dispute between Texas and Oklahoma that made it to the U.S. Supreme Court and beyond!

Liked it? Take a second to support Wise About Texas on Patreon!

Podcast: Play in new window | Download

Subscribe: Email | RSS