James Monroe, 5th President of the United States, (c1880).Artist: Whymper

James Monroe, 5th President of the United States, (c1880). After the portrait by AB Durand. Monroe (1758-1831) was president between 1817 and 1825. His presidency is best remembered for his formulation of the Monroe Doctrine, which declared US opposition to European interference in the affairs of any of the independent nations of the Americas. The United States also acquired Florida during his term of office. A print from Cassell's History of the United States, by Edmund Ollier, Volume II, Cassell Petter and Galpin, London, c1880. (Photo by The Print Collector/Print Collector/Getty Images)