Charles Fourier is known for establishing a utopian socialist society in the United States. In the 1840s, he inspired the formation of several communities known as Fourierist phalanxes, which aimed to create ideal societies based on cooperative living and shared responsibilities. Fourier's vision focused on the idea of harmonious living, where individuals would work together in a communal setting, enjoying the fruits of their labor through equitable distribution. The most notable Fourierist community in the U.S. was the North American Phalanx, established in New Jersey in 1843. While these communities struggled to sustain themselves, Fourier's ideas contributed to the broader socialist movement.