1913 — Triumphal entry of the first Royal Australian Navy fleet into Sydney Harbour. The fleet comprised HMA Ships Australia, Sydney, Melbourne, Encounter, Parramatta, Yarra and Warrego.
1917 — Sergeant Lewis McGee of the 40th Battalion, and Lance Corporal Walter Peeler of the 3rd Pioneers, each won a Victoria Cross during the attack on Broodseinde Ridge, part of the Ypres offensive.
1918 — Battle of the Beaurevoir Line, France. This was the last of a series of defences known collectively as the Hindenburg Line.
1918 — Lieutenant Joseph Maxwell became the second most highly decorated Australian when he won a Victoria Cross at the Battle of the Beaurevoir Line. He had already won a Distinguished Conduct Medal and a Military Cross and Bar.
1943 — Battle of Jivenaneng-Kumawa as the Japanese fought to regain Scarlet Beach, New Guinea.
1918 — HMAS Swan and HMAS Warrego participate in the bombardment of the Austrian naval base at Durazzo, Albania.
1943 — The 9th Australian Division captures Finschhafen, New Guinea. Finschhafen then became the base for the protracted Huon Peninsula campaign of 1943-44.
1915 — RAN Bridging Train was heavily shelled and bombed at Suvla Bay, Gallipoli.
1918 — 3rd Australian Light Horse Brigade captured Damascus, Syria, at the end of the long advance that ended The Great War in the Middle East.
1942 — Lieutenant Commander Palgrave Carr, RAN, was killed flying in a RAAF Catalina. He was the only serving RAN Officer to be awarded a Distinguished Flying Cross in the Second World War.
1917 — A string of concentrated German counterattacks began around Ypres, Belgium.
1940 — HMAS Stuart captured the Italian Submarine Gondar in the Mediterranean Sea.
1951 — HMAS Murchison fought a heavy battle on the Han River in Korea.
1917 — Australian troops at Polygon Wood in Belgium fought off a heavy German counterattack.
1999 — Australian peacekeepers conducted a successful raid on the village of Com in East Timor.
1914 — Crewmembers of HMAS Sydney (I) raided a German wireless station at Angaur, Palau.
1917 — The Battle of Polygon Wood began in Belgium.
1943 — Z Special Force attacked Singapore Harbour in Operation JAYWICK.
1917 — The Battle of the Menin Road Ridge ended in Belgium.
1918 — Australian troops in Palestine captured Amman, Nablus, Megiddo, and Sharon.
2000 — Peace talks began between warring Solomon Islanders aboard HMAS Newcastle.
1914 — Australian personnel captured Madang, on Papua New Guinea.
1942 — Japanese troops began their retreat along the Kokoda Trail.
1940 — HMAS Australia began combat operations against Vichy French forces at Dakar, West Africa.
1942 — General Thomas Blamey took personal command of the 7th Division in Port Moresby.
1999 — 3RAR began Operation LAVERACK to secure Dili in East Timor.