Ice hockey at the Olympic Games included. The IIHF considers the 1920 tournament to be the first Ice Hockey World Championship. From then on, the two events occurred concurrently, and every Olympic tournament until 1968 is counted as the World Championship. The Olympic Games were originally intended for amateur athletes, so the players of the National Hockey League (NHL) and other professional leagues were not allowed to play. The first Winter Olympic Games were held in 1924 in Chamonix, France. Chapter 1, article 6, of the 2007 edition of the Olympic Charter defines winter sports as "sports which are practised on snow or ice". Ice hockey
Winter Olympic Games of Calgary hosted the first Winter Olympics to span three weekends, lasting for a total of 16 days. New events were added in ski-jumping and speed skating, while future Olympic sports curling, short track speed skating and freestyle skiing made their debut appearance as demonstration sports. The speed skating events were held indoors for the first time, on the Olympic Oval. Dutch skater Yvonne van Gennip won three gold medals and set two world records, beating skaters from the favoured East German team in every race. Her medal total was equalled by Finnish ski jumper Matti Nykänen, who won all