the Australian and New Zealand Army Corps (ANZAC). French forces make a diversion landing at Kum Kale on the Asian shore. 26 – Naval operations: Australian submarine becomes the first Allied vessel to pass through the Dardanelles into the Sea of Marmara. 27 – Anzac: Under the command of Mustafa Kemal, the Turks mount a counter-attack but fail to drive the Anzacs into the sea. 27 – Naval operations: British submarine passes through the Dardanelles to start a successful three-week tour. 28 – Helles: First Battle of Krithia British and French forces suffer 4,000 casualties for little gain. 28 – Anzac: The Anzac landing is reinforced by four battalions from the Royal Naval Division. May 1915 1 – Naval operations: is mined and sunk in the straits. 6 – Helles: Second Battle of Krithia commences. British 42nd (East Lancashire) Division begins landing as reinforcements. 8 – Helles: Second Battle of Krithia ends. 12 Helles: is sunk by the Ottoman torpedo boat Muavenet-i Milliye. Anzac: Australian 1st Light Horse Brigade arrives as reinforcements. 13 – Anzac: New Zealand Mounted Rifles Brigade arrives as reinforcements. Royal Naval Division battalions rejoin the rest of the division at Helles. 15 – Anzac: Major General W.T. Bridges, commander of the Australian 1st Division is mortally wounded in the leg by a Turkish sniper. He dies at sea three days later. 18 – Naval operations: British submarine passes through the straits into the Sea of Marmara. 18 – Anzac: Turkish forces mount a massive attack using 42,000 men but are repulsed, suffering 10,000 casualties. 19 – Anzac: Australian stretcher-bearer John Simpson Kirkpatrick is killed near Steele's Post. 20 – Anzac: The Australian 2nd Light Horse Brigade arrives as reinforcements. 21 – Anzac: The Australian 3rd Light Horse Brigade arrives as reinforcements. 22 – Anzac: Negotiations commence to arrange an armistice in order to bury the dead in no man's land. 24 – Anzac: An armistice is declared from 7.30 a.m. to 4.30 p.m. in which time Turkish and Anzac dead are buried. 25 Anzac: is sunk by German U-boat . Naval operations: torpedoes Ottoman transport Stamboul in the Bosphorus, causing panic in Constantinople. 27 – Helles: is sunk by U-21. 28-30 Battle for No.3 Post June 1915 4 – Helles: Third Battle of Krithia British and French forces mount a limited attack but still fail to reach their objectives. 28 – Helles: Battle of Gully Ravine