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Timelines List

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	World History timeline
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	1915 January 24
	The German battle cruiser Blücher is sunk by the British off the Dogger Bank

	1915 January 30
	Two passenger liners are sunk by German U-boats

	1915
	February - British and French forces invade and capture the German colony of Cameroon

	1915
	Winston Churchill is a firm supporter of a new invention, the tank, encouraging its initial development while still at the Admiralty

	1915 March
	A typhus epidemic sweeps through Serbia, severely weakening the nation's armed forces

	1915 March 18
	British and French battleships are sunk by mines in the Dardanelles, with the loss of 620 French sailors on one of them

	1915 March 21
	Two German Zeppelin airships bomb Paris, causing 23 deaths

	1915 April
	In a secret pact, signed in London, Italy is promised territorial gains if she joins the Allied side

	1915 April 1
	The French aviator Roland Garros fires a machine gun through the propeller in his fighter plane, using metal plates to deflect any bullets that hit the propeller

	1915 April 22
	The Germans attempt an advance on the western front, launching the second battle of Ypres

	1915 April 22-3
	The Germans gain ground at Ypres after the first significant use of chlorine gas

	1915 April 25
	British and French troops, together with the Australian and New Zealander Army Corps (ANZAC), land in Gallipoli

	1915 May
	Italy revokes the Triple Alliance of 1882 that aligned her with Germany and Austria-Hungary

	1915 May 7
	The British passenger liner Lusitania is sunk by a U-boat, with the loss of 1000 civilian lives

	1915 May 23
	Italy declares war against Austria-Hungary, but not as yet against Germany

	1915 May 31
	A German Zeppelin airship makes the first bombing raid on London

	1915 May
	from May - hundreds of thousands of Armenians die as the Turks forcibly remove them from their homelands

	1915 June
	Dutch aircraft designer Anton Fokker, working for the Germans, vastly improves the Roland Garros technique for firing machine guns through the propellers of fighter planes

	1915 July
	South African troops capture German South West Africa

	c. 1915 July
	German fighter planes are armed with new machine guns synchronized to fire between the revolving propeller blades

	1915 July 30
	The Germans make their first effective use of a new weapon, the flame thrower, in an attack on the British in the second batte of Ypres

	1915
	from July - the Russians advance through Turkish Armenia and push west into Anatolia as far as Trabzon

	1915 September 18
	The emperor Nicholas II moves to military HQ to take personal command of the Russian armies

	1915 September 25
	The British use chlorine gas for the first time in an attack on Loos, but in places it is blown back over the British lines when the wind changes

	1915 October 5
	French and British troops land at Salonika and push north to relieve Serbia

	1915 October 9
	Austria-Hungary renews its attack on Serbia, and its troops capture Belgrade

	1915 October 12
	The English nurse Edith Cavell is court-martialled and executed by German forces in Belgium

	1915 October 14
	Bulgaria, hoping to gain territory in disputed Macedonia, declares war on Serbia

	1915 October
	The Serbian army flees, abandoning Serbia to Austrian and Bulgarian invaders

	1915 November 22
	A British and Indian force is defeated by the Turks at Ctesiphon, on the bank of the Tigris

	1915 December
	German armies make sufficient advances to drive the Russians out of Poland

	1915 December
	Allied troops begin a withdrawal from the Dardanelles after the abject failure of the Gallipoli campaign

	1915
	from December - the 225-horsepower Eagle, the first of many Rolls-Royce aero-engines, is used to power British bombers

	1916
	Wartime income tax soars in Britain to an unprecedented 30%

	1916
	New Zealand surgeon Harold Gillies sets up a plastic surgery unit at Aldershot, a British military base

	1916
	The opera Goyescas, by Spanish composer Enrique Granados, has its premiere in New York

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