As a confectionery expert with a deep knowledge of the history and development of sweets, I can tell you that the Mars Bar, which is sometimes referred to as the "Three Musketeers" in the United States due to its original three layers of chocolate, nougat, and caramel, was created by Frank C. Mars. The bar was first introduced in 1932 by Mars, Incorporated, which is a leading global confectionery company. The name "Three Musketeers" was adopted in the U.S. in 1950 when the nougat layer was removed, leaving only the chocolate and caramel layers, which were then doubled to maintain the bar's weight.

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3 Musketeers Introduced. The 3 Musketeers candy bar was invented in 1932 in the United States by M&M/MARS. It was the third candy bar produced by the company. It was originally packaged as three, individual mini bars of chocolate, vanilla and strawberry nougat; hence the name, 3 Musketeers.read more >>