1912 Duke Kahanamoku holds surf demonstrations in Corona del Mar and Santa Monica, California.
1915 “The Duke” demonstrates the sport in Sydney.
1928 World’s first surf competition – the Pacific Coast Surfriding Championships, at Corona del Mar.
1937 Teenagers in Hawaii redesign boards by cutting “V” into the tail, helping hold the wave, allowing riders into bigger surf and perform tricks.
1943 First surfers tackle Hawaii’s North Shore waves at Sunset Beach, but fatal accident means it is avoided for more than a decade.
1953 Picture of three surfers riding a 15ft wave in Makaha, west Oahu, causes sensation on US mainland.
1957 The North Shore attempted again, by Greg “The Bull” Noll and Mike Stange at Waimea Beach in a 15ft swell. From then on the North Shore is surfing’s epicentre.
1959 The movie Gidget, about a Californian surf girl, is released and popularises the sport further.
1962 The Beach Boys release the album Surfin’ Safari. The number of surfers in California alone grows to more than 100,000.
1971 First Pipe Masters contest at Pipeline, Hawaii, with prize of $1,000.
1983 Association of Surfing Professionals formed, running a worldwide surfing tour for men and women.
1984 Surfrider Foundation, the world’s first environmental surfing group, established.
1992 Laird Hamilton pioneers tow-in surfing at the outer reefs on the North Shore, allowing surfers to seek out bigger waves.
2011 USA’s Kelly Slater crowned the Association of Surfing Professionals’ world champion for 11th time.
2012 Museum of British Surfing opens in Braunton, north Devon