<Tr> <Td_colspan="2"> <Ul> <Li> Archery </Li> <Li> Athletics </Li> <Li> Badminton </Li> <Li> Basketball </Li> <Li> Boxing </Li> <Li> Cycling </Li> <Li> Diving </Li> <Li> Gymnastics </Li> <Li> Hockey </Li> <Li> Judo </Li> <Li> Lawn bowls </Li> <Li> Netball </Li> <Li> Rowing </Li> <Li> Rugby sevens </Li> <Li> Squash </Li> <Li> Swimming </Li> <Li> Shooting </Li> <Li> Synchronised swimming </Li> <Li> Table tennis </Li> <Li> Tennis </Li> <Li> Triathlon </Li> <Li> Weightlifting </Li> <Li> Wrestling </Li> </Ul> </Td> </Tr> <Ul> <Li> Archery </Li> <Li> Athletics </Li> <Li> Badminton </Li> <Li> Basketball </Li> <Li> Boxing </Li> <Li> Cycling </Li> <Li> Diving </Li> <Li> Gymnastics </Li> <Li> Hockey </Li> <Li> Judo </Li> <Li> Lawn bowls </Li> <Li> Netball </Li> <Li> Rowing </Li> <Li> Rugby sevens </Li> <Li> Squash </Li> <Li> Swimming </Li> <Li> Shooting </Li> <Li> Synchronised swimming </Li> <Li> Table tennis </Li> <Li> Tennis </Li> <Li> Triathlon </Li> <Li> Weightlifting </Li> <Li> Wrestling </Li> </Ul> <P> The Commonwealth Games are an international multi-sport event involving athletes from the Commonwealth of Nations . The event was first held in 1930, and has taken place every four years since then . The Commonwealth Games were known as the British Empire Games from 1930 to 1950, the British Empire and Commonwealth Games from 1954 to 1966, and British Commonwealth Games from 1970 to 1974 . It is the world's first multi-sport event which inducted equal number of women's and men's medal events and was implemented recently in the 2018 Commonwealth Games . </P> <P> Their creation was inspired by the Inter-Empire Championships, as a part of the Festival of Empire, which were held in London, United Kingdom in 1911 . Melville Marks Robinson founded the games as the British Empire Games which were first hosted in Hamilton in 1930 . During the 20th and 21st centuries, the evolution of the games movement has resulted in several changes to the Commonwealth Games . Some of these adjustments include the creation of the Commonwealth Winter Games for snow and ice sports for the commonwealth athletes, the Commonwealth Paraplegic Games for commonwealth athletes with a disability and the Commonwealth Youth Games for commonwealth athletes aged 14 to 18 . The first edition of the winter games and paraplegic games were held in 1958 and 1962 respectively, with their last edition held in 1966 and 1974 respectively and the first youth games were held in 2000 . The 1942 and 1946 Commonwealth Games were cancelled because of the second world war . </P>

How often does the commonwealth games take place