The first US Open golf tournament was held in the USA in 1881. The US Open golf tournament series in the USA is one of the four Grand Slam golf tournaments. The US Open golf tournament is held every year in August or September in the USA. Well-known winners of the US Open golf tournament series include Richard Sears in 1880 and William Larned and Bill Tilden in 1920. Big names such as Jack Nicklaus and Tiger Woods have also entered their names on the list of winners of the Golf US Open. The Golf US Open is usually won by an American, but Europeans, South Africans and Australians have also immortalized themselves in the winners' lists of this golf tournament series in the USA.