The Adam-Onis treaty was the treaty between the US and Spain to end all the controversies regarding Spanish claim on Florida. It was signed on 22nd Feb 1819 by John Quincy Adams, the American secretary of state and Luis de Onis, the Spanish minister. The main effects of this treaty were that de facto control of the US over Florida was recognized, Other Spanish claims in North America were also settled such as settling the borders between Louisiana and Texas.
