 Following the proclamation of the 6 January Dictatorship by king Alexander I in 1929 and the establishment of the “integral Yugoslavism”, the various Chetnik associations re-organised themself into a singe officially sanctioned group, the “Association of Chetniks”.However, even under the homogenizing pressures of dictatorship, the Chetniks were not monolithic movement.In 1929, Trifunović-Birčanin became president of the organisation, serving until 1932 when he was replaced by Pećanac who continued to lead the organisation until the invasion of Yugoslavia in April 1941.