General Sir John Monash GCMG, KCB, VD (/ˈmɒnæʃ/; 27 June 1865 – 8 October 1931) was a civil engineer and an Australian military commander of the First World War. He commanded the 13th Infantry Brigade before the war and then, shortly after its outbreak, became commander of the 4th Brigade in Egypt, with whom he took part in the Gallipoli campaign.