The Platte Purchase added St. Joseph and the northwestern corner of Missouri to the original state which had a straight line for its western border. The bill to approve the purchase was introduced by Missouri Senator Thomas Hart Benton.

This post was contributed by Ross Malone. A historian and a retired school teacher, Ross has authored many books about Missouri’s history, weird facts, and folk tales. He has also written children’s historical fiction. Visit his website, and buy his books in the Missouri Life store.