Quita Sueño Bank (claimed as Quitasueño) is a reef formation of Colombia which was once claimed by the United States, located 110 km North-northeast of Providencia Island. ==History== In 1869, James Jennett claimed the bank for the US under the Guano Islands Act of 1856. In 1972 a treaty was signed (ratified in 1981) between the United States an...