 The resulting loss of big name stars sent the business into decline before the outbreak of World War I in 1914 halted it completely.While amateur wrestling continued as a legitimate sport, grappling as a promotional business did not catch on until the late 1920s when the success of the more worked aspects of professional wrestling in America, like gimmickry and submission holds, were introduced to British wrestling.Amateur wrestler, Sir Atholl Oakley got together with fellow grappler Henry Irslinger to launch one of the first promotions to employ the new style of wrestling which was coined "All-in" wrestling.