Born in North Carolina in 1795, James K. Polk was the 11th President of the United States. He was a Democrat and led the country during the Mexican War (1846-48). Polk procured vast territories of America's Southwest and Pacific coast regions. He also oversaw the establishment of the U.S. Naval Academy at Annapolis, Maryland, as well as the issue of the first U.S. postage stamp.
In this image released by, The Woods Hole Oceanographic Institution, the research vessel Atlantis is shown off the coast of the Carolinas in the Atlantic Ocean during the second week of July 2015 with the submersible Alvin hanging off its stern. The expedition led by Duke University marine scientist Cindy Van Dover has found a shipwreck that may date back to the late 1700s.