The earliest known version, known as The Landlord's Game, was designed by Elizabeth Magie and first patented in 1904, but existed as early as 1902. The board game Monopoly has its origin in the early 20th century. The five sets of the board game Monopoly depicted here show the evolution of the game's artwork and designs in the United States from 1935 to 2005. For economic term, see Monopoly § Historical monopolies.
