On January 5, 1904, Lizzie J. Magie, a Quaker woman from Virginia, received a patent for a board game. Lizzie Magie belonged to a tax movement led by Philadelphia-born Henry George; the movement supported the theory that the renting of land and real estate produced an unearned increase in land values that profited a few individuals (landlords) rather than the majority of the people (tenants). Henry George proposed a single federal tax based on land ownership believing a single tax would discourage speculation and encourage equal opportunity.

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