Born in Ballarat, Victoria and a labourer by trade, Augustin Dakin was 28 years and single when enlisted on the 19th of July 1915 in the 21st Battalion, 3rd Reinforcement, Australian Imperial Force, with the rank of Private, Number 2023. Returned to Australia on the 8th of April 1919. His Unit embarked from Melbourne, Victoria, on board HMAT A68 'Anchises' on the 26th of August 1915. Provisionally promoted Lance Corporal on the 6th of July 1916 in France; wounded in action, France on the 24th of August 1916; wounded in action – shell shock, France on the 30th of September 1916. Promoted temporary Corporal, France on the 1st of October 1916; promoted Corporal, France on the 1st of February 1917. Wounded in action, France on the 3rd of May 1917. Corporal admitted to General Hospital sick in France on the 7th of October 1918; appointed Lieutenant Sergeant, France on the on the 23rd of May 1918; wounded in action 4th occasion, France on the 23rd of July 1918; promoted Sergeant to complete enlistment in France on the 18th of August 1918; transferred from 21st Battalion to the 24th Battalion, France on the 13th of October 1918. Returned to Australia per 'Trasos Monteo, England' on the 8th of April 1919. Disembarked at Melbourne on the 22nd of May 1919 and Discharged from the 3rd Military District on the 15th of July 1919. Tree No. 3318