DuMont Television Network

The DuMont Television Network (also known as the DuMont Network, DuMont Television, simply DuMont/Du Mont, or (incorrectly) Dumont /ˈduːmɒnt/) was one of America's pioneer commercial television networks, rivaling NBC and CBS for the distinction of being first overall in the United States. It was owned by Allen B. DuMont Laboratories, a television equipment and television set manufacturer, and began operation on April 13, 1940.

The network was hindered by the prohibitive cost of broadcasting, a freeze on new television stations in 1948 by the Federal Communications Commission (FCC) that restricted the network's growth, and even the company's partner, Paramount Pictures. Despite several innovations in broadcasting and being the launching spot for one of television's biggest stars of the 1950s—Jackie Gleason—the network never found itself on solid financial ground. Forced to expand on UHF channels during an era when UHF tuning was not yet a standard feature on television sets, DuMont fought an uphill battle for program clearances outside its three owned-and-operated stations: WABD New York City, WTTG Washington D.C., and WDTV Pittsburgh, ultimately ending network operations on August 6, 1956, leaving only 3 main networks, rather than public broadcasting, until the founding of Fox in 1986.

DuMont's latter-day obscurity, caused mainly by the destruction of its extensive program archive by the 1970s, has prompted TV historian David Weinstein to refer to it as the "forgotten network". A few popular DuMont programs, such as Cavalcade of Stars and Emmy Award winner Life Is Worth Living, appear in television retrospectives or are mentioned briefly in books about U.S. television history.