First recorded in Scotland in 1511, with oldest curling stone found in Dunblane. First official rules developed by Royal Caledonian Curling Club in 1838. Sport spread from Scotland to Canada, then to Europe and other countries. Became Olympic medal sport in 1998, with Canada dominating since then
Developed by Jean Exbrayat in 1848 as "flat hand wrestling". Named after ancient Mediterranean wrestling, similar to Greek Olympics. First included in modern Olympics in 1896. Georg Hackenschmidt became most famous wrestler in 19th century
Hurdling involves jumping over obstacles at high speed or sprint. Modern hurdles are 68-107 cm high, with five different heights. First hurdle is 13.72m for men, 13m for women in sprint races
High jump requires jumping over horizontal bar without dislodging it. Event is one of two vertical clearance events in Olympic athletics. Women's event was first introduced at 1928 Olympics
Taekwondo is a Korean martial art developed in 1940s-1950s by Korean artists. Name combines "tae" (foot), "kwon" (hand), and "do" (art). Five main tenets: courtesy, integrity, perseverance, self-control, indomitable spirit
William G. Morgan invented volleyball in 1895 as mintonette at YMCA. Game has been part of Olympics since 1964, beach volleyball since 1996. Teams consist of six players separated by net