The Ice Hockey World Championships is an annual event held by the International Ice Hockey Federation (IIHF). It was preceded by the European Championship which was held from 1910 to 1932. The first World Championship tournament was decided at the 1920 Summer Olympics. Subsequently, ice hockey was featured at the Winter Olympics, where the World Championship was decided when the two events occurred concurrently, until the 1968 Winter Olympics. The first three championships were contested at the Olympics, while the first World Championships that were an individual event were held in 1930.