The article discusses 10 of the greatest war mysteries throughout history including the disappearance of the Confederate submarine H.L. Hunley in 1864, the fate of British explorer Sir John Franklin's 1845 Arctic expedition, and the identity of the man known only as the "Man with the Iron Mask" who was imprisoned in France from 1669-1703.

12. •http://www.mandatory.
com/2012/07/19/the-10-
greatest-war-
mysteries/