The Calder Cup is the championship trophy awarded annually to the playoff champion of the American Hockey League (AHL). Named after Frank Calder, the first president of the National Hockey League (NHL), the cup has been awarded since 1937. It serves as a key milestone for teams and players aspiring to reach the NHL. The Calder Cup playoffs typically take place in the spring, featuring the top teams from the AHL's regular season. Winning the Calder Cup is a significant achievement for players, as it often leads to opportunities in the NHL, showcasing emerging talent in professional ice hockey.