The IIHF World Championships is an annual ice hockey tournament organized by the International Ice Hockey Federation (IIHF). It features national teams from around the world competing for the title of world champion. The tournament typically takes place in May and includes both preliminary rounds and knockout stages. The event showcases top talent from various countries, with teams often composed of professional players from leagues like the NHL. The championships have a rich history, dating back to 1920, and are considered one of the most prestigious competitions in international ice hockey.