When the 90% silver Mercury Dime was introduced in 1916, its design was symbolic of the nation`s state of mind, as World War I raged in Europe and the United States tried to keep out of the conflict. Liberty`s winged cap symbolized freedom of thought, in contrast to the tyrannical ambitions of some European countries. The bundle of fasces with battle-ax on the reverse signified strength and readiness to defend, while the olive branch represented America`s love of peace.