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World War I
(1914 - 1919)

191428 June - Archduke Franz Ferdinand of Austria assassinated at Sarajevo
19145 July - Germany's Blank Check
191423 July - Austria issues an ultimatum to Serbia
191425 July - Serbia orders mobilisation
191426 July - Austria starts mobilisation on Russian border
191426 July - Montenegro orders mobilisation
191428 July - Austria-Hungary declares war on Serbia and Russia
191431 July - Russia, Austria, Turkey announce general mobilisation
19141 August - Germany declares war on Russia
19141 August - Belgian, German and French mobilisation begins
19141 August - Belgian, German and French mobilisation begins
19142 August - German troops invade Luxembourg, Poland and France
19143 August - Germany declares war on France
19144 August - Germany declares war on and invades Belgium
19144 August - Great Britain declares war on Germany
19144 August - Great Britain declares war on Germany
19145 August - Austria declares war on Russia
19147 August - Russia invades Prussia; BEF lands at Ostend, Calais and Dunkirk
19147 August - Montenegro at war with Austria
19148 August - Montenegro declares war on Germany
19148 August - Serbia at war with Germany
191410 August - Austria invades Poland
191410 August - France and Great Britain declare war on Austria
191412 August - Austro-Hungarian troops invade Serbia
191414 August - Battle of the Frontiers begins
191418 August - President Wilson issues his "Proclamation of Neutrality"
191419-25 August - German destruction of the ancient city of Louvain
191423 August - Battle of Mons
191423 August - Japan declares war on Germany
191424 August - Germans enter France near Lille
191425 August - Austria at war with Japan
191426 August - Opening of the Battle of Tannenberg; Battle of Le Cateau
191428 August - Austria declares war on Belgium
191428 August - Battle of Heligoland
1914September - Manifesto of the Ninety-Three German Intellectuals to the Civilized World in response to the outcry over the destruction of Louvain
19143 September - Paris placed in state of siege: Government transferred to Bordeaux
19146 September - First Battle of the Marne
191414 September - Opening of the First Battle of the Aisne; start of trench warfare
191424 September - German Army captures St. Mihiel
191425 September - Battle of Albert
191429 September - Antwerp bombardment begins
19141 October - Battle of Arras
19143 October - Austro-German invasion of Poland
19149 October - Antwerp surrenders to Germans, government removed to Ostend
191411 October - Battle of Flanders
191412 October - Battle of La Bassée, Battle of Yser
191418 October - First Battle of Ypres
191429 October - Turkey enters war on the side of Germany
19141 November - Battle of Coronel
19142 November - Russia and Serbia declare war on Turkey
19142 November - Second Russian invasion of Prussia
19145 November - Great Britain and France declare war on Turkey
19145 November - Cyprus annexed by Great Britain
19148 November - Third Austrian invasion of Serbia
191421 November - Anglo-Indian invasion of Mesopotamia
191425 November - German Field Marshal von Hindenburg calls off the Lódz offensive
19146 December - German troops overrun Lódz
19148 December - Battle of the Falkland Islands
191414 December - First German air raid on Britain
191417 December - Austrian troops beat Russians in Limanova, Poland
191425 December - An unofficial Christmas Truce is observed by soldiers in the trenches along the Western Front during this, the first Christmas of World War I
191514 January - South African forces occupy Swakopmund
191518 January - Japan's Twenty-One Demands on China
191524 January - Battle of Dogger Bank
19153 February - Turks make unsuccessful attack on Suez Canal
19154 February - Germany announces "war zone" in British waters
19156 February - Russians driven from East Prussia
191510 February - Battle of Masurian Lakes
191518 February - German submarine blockade begins
191519 February - British begin naval action against the Dardenelles
19158 March - Battle of Neuve Chappelle
19159 March - British and French forces concentrate outside the Dardanelles
191511 March - Britain announces blockade of German ports
191522 April - Second Battle of Ypres begins
191525 April - Allied landings at Gallipoli
191526 April - France, Russia, Italy and Britain conclude secret Treaty of London
191528 April - Massive Austro - German attacks in Galicia. Severe Russian losses
19152 May - Opening of great Austro-German offensive in Galicia (Gorlice-Tarnow); British South Africa troops under General Botha capture Otymbingue, German Southwest Africa
19154 May - Italy drops Triple Alliance with Austria-Hungary & Germany
19156 May - Allies attack Cape Helles, Hellespont
19157 May - Lusitania sunk by German U-boat off Irish coast
19157 May - Germans capture Libau, Russian Baltic port
19159 May - Artois Offensive; Battle of Aubers Ridge
191512 May - Croatians plunder Armenia
191515 May - Battle of Festubert
191523 May - Italy declares war on Austria-Hungary and Germany
191525 May - Asquith reorganizes his liberal ministry as a coalition
191511 June - British troops take Cameroon in Africa
191526 June - Battle of the Argonne
191529 June - First of twelve battles of the Isonzo begins on the Italian front
19159 July - German Southwest Africa surrenders to British South African troops
191521 July - Wilson begins drafting a defence program for the U.S.
19155 August - Warsaw captured by Germans
19156 August - Suvla Bay Offensive at Gallipoli
19159 August - Russians defeat German fleet at Gulf of Riga
191515 August - Austro-German invasion of Serbia, Serbia suffers heavy defeats
191519 August - Two Americans die in sinking of Arabic off Ireland
191521 August - Italy declares war on Turkey
19156 September - Tsar Nicholas takes personal command of Russian armies
19158 September - New German offensive (Argonne)
191521 September - Anglo - French attacks in Macedonia
191522 September - Opening of Second Battle of Champagne on western front
191525 September - Anglo-French Offensive at Artois-Loos
191529 September - Vimy Ridge captured
19155 October - Allied troops land at Salonika
191514 October - Bulgaria at war with Serbia
191515 October - Great Britain declares war on Bulgaria
191517 October - France at war with Bulgaria
191519 October - Italy and Russia at war with Bulgaria
191519 November - The Allies ask China to join the entente against the Central Powers
191522 November - Anglo-Indian army repulsed by Turks at Ctesiphon, Iraq
19154 December - Henry Ford's peace ship, Oskar II, begins voyage to Europe
191512 December - Aristide Briand forms French war government
191513 December - Serbia in hands of enemy, Allied forces abandoning last positions and retiring across Greek frontier
191515 December - Haig becomes Commander-in-Chief of British Expeditionary Force
191518 December - 20,000 Australian and New Zealand troops withdraw from Gallipoli
191519 December - Sir Douglas Haig, new BEF commander; beginning of the Allied withdrawal from Gallipoli
191520 December - Anzac and Sulva Bays evacuated
19168 January - Gallipoli evacuated by the British
191610 January - Russian offensive in Kaukasus
191611 January - Corfu occupied by French troops
191625 January - Montenegro surrenders to Austria-Hungary
191619 February - Cameroon, German colony in Africa, conquered by British forces
191621 February - German Verdun Offensive
19169 March - Pancho Villa's raid on Columbus, New Mexico
19169 March - Germany declares war on Portugal
191615 March - Pershing starts pursuit of Villa into Mexico
191615 March - Austria-Hungary at war with Portugal
191624 March - French passenger ship, Sussex, torpedoed
191620 April - Russian troops landed at Marseilles for service on French front
191624 April - Irish nationalists launch the Easter rebellion in Dublin, Republic declared and Patrick Pearse announced as first President
19164 May - Germany renounces submarine policy "Sussex Pledge"
19166 May - Belgian troops march into Kigali, German East-Africa
191615 May - Vimy Ridge gained by British
191619 May - Britain and France conclude the Sykes-Picot Agreement
191621 May - British lose Vimy Ridge
191626 May - Bulgarians invade Greece
191631 May - Opening of Battle of Jutland
19162 June - The Battle of Mount Sorrel
19164 June - Beginning of the Russian Brusilov offensive against Austria-Hungary; Russia begins offensive in eastern Galicia
191621 June - Allies demand Greek demobilization
191627 June - King Constantine orders demobilization of Greek army
19161 July - Start of Anglo-French Somme Offensive
191629 July - US Marines land in Haiti
191630 July - Black Tom Island munitions plant destroyed; German sabotage suspected
19161 August - Severe fighting on Isonzo Front
19167 August - Persia forms an alliance with Britain and Russia
19169 August - Italian Gorizia Offensive
191627 August - Generals Hindenburg and Ludendorff take command of German armies
191627 August - Italy declares war on Germany
191627 August - Romania declares war on Austria-Hungary
191629 August - Germany declares war on Rumania
191629 August - Hindenburg becomes German Chief of Staff
191631 August - Germany suspends submarine assaults
191631 August - Bulgaria and Turkey at war with Rumania
19163 September - German Somme front is broken
191615 September - Tanks introduced on the Somme battlefield by the British
191627 September - Constance of Greece declares war on Bulgaria
19164 October - Austro-German attacks on Rumania through December (severe Rumanian losses)
191615 October - Germany resumes U-boat attacks under search and destroy rules
191624 October - French recapture Douaumont Fort at Verdun
19167-9 November - Battle of the River Ancre
191618 November - Somme Offensive ends
191628 November - First German airplane raid on London
191629 November - US occupation of Santa Domingo proclaimed; Beatty replaces Jellicoe as C-in-C of Grand Fleet
19163 December - Gen. Robert Nivelle appointed the new French commander-in-chief
19165 December - Asquith resigns as Prime Minister; replaced by Lloyd George
191612 December - Nivelle becomes French Western Front C-in-C; Germans issue peace note suggesting compromise peace
191618 December - 10 month long Battle of Verdun ends
19171 January - Turkey declares its independence of suzerainty of European powers
19179 January - German leaders decide to launch unrestricted U-boat warfare
191710 January - Allies state war objectives in response to Wilson's peace note of 18 December
191719 January - Zimmermann Telegram intercepted by Britain
19171 February - Germany resumes unrestricted U-boat warfare
19173 February - US severs diplomatic relations with Germany
191724 February - Great Britain releases Zimmermann Note to US
191726 February - Kut-el-Amara recaptured from Turks by new British Mesopotamian expedition
19171 March - In US: Zimmermann Note released to press by State Department; Armed Ship Bill passes House
19174 March - In US: Senate adjourns without passing Armed Ship Bill
191711 March - British forces capture Baghdad
191712 March - Wilson announces arming of merchant ships by executive order
191714 March - China breaks with Germany
191715 March - Culmination of "February Revolution"; Nicholas II abdicates
191720 March - Wilson's Cabinet votes unanimously for war
191723 March - Austrian Emperor Charles I makes a peace proposal to French President Poincare
191726 March - Battle of Gaza begins
191729 March - Wilson publicly calls for a national army to be "raised and maintained exclusively by selective draft"
19172 April - Wilson delivers war address to Congress
19176 April - US declares war on Germany
19177 April - Cuba and Panama at war with Germany
19178 April - Austria-Hungary breaks with United States
19179 April - Start of Nivelle Offensive; Start of Arras offensive
19179 April - Bolivia breaks with Germany
191712 April - Canadian Army captures Vimy Ridge
191716 April - Lenin arrives in Russia
191716 April - 2nd Battle of the Aisne begins; Chemin des Dames offensive
191720 April - Turkey breaks with United States
19179 May - Liberia breaks with Germany
191715 May - Petain becomes French Western Front Commander-in-Chief
191719 May - John Pershing given command of AEF
191719 May - Nicaragua breaks with Germany
19177 June - British attack at Messines
191714 June - Gen Pershing & his HQ staff arrived in Paris
191715 June - In US: Espionage Act
191718 June - Haiti breaks with Germany
191726 June - First US troops (1st Division) arrive in France
191729 June - Greece declares war on the Central Powers
19171 July - Russians begin offensive in Gallicia
19172 July - Pershing makes first request for a US army of 1,000,000
191722 July - Siam at war with Germany and Austria
191731 July - Passchendaele offensive (Third Battle of Ypres) opens in Flanders
19177 August - Liberia at war with Germany
191714 August - China declares war on Germany and Austria
19171 September - Pershing establishes his general headquarters at Chaumont
191720 September - Costa Rica breaks with Germany
191721 September - Gen. Tasker H. Bliss named Chief of Staff of the United States Army
191729 September - Turkish Mesopotamian army captured by British
19173 October - In US:War Revenue Act; graduated income tax authorized
19176 October - Peru and Uruguay break with Germany
191712 October - British Offensive at Passchendaele
191724 October - Italian Caproretto Offensive
191726 October - Brazil at war with Germany
19177 November - Bolsheviks seize power in Russia
19178 November - Diaz succeeds Gen. Cadorna as Commander-in-Chief of Italian armies
191720 November - Massed tank attack at Cambrai
191727 November - Supreme Allied War Council established at Versailles
19171 December - German East Africa reported completely conquered
19177 December - Finland declares independence
19177 December - American declaration of War on Austria-Hungary
19179 December - Jerusalem captured by British
191710 December - Panama at war with Austria-Hungary
191715 December - Armistice signed between Germany and Russia at Brest-Litovsk
191722 December - Central Powers and Soviets open peace negotiations at Brest-Litovsk
19187 January - Germans move 75,000 troops from the East Front to the Western Front
19188 January - In US: Wilson's Fourteen Points speech to joint session of Congress
191825 January - Austria and Germany reject U.S. peace proposals
191811 February - In US: Wilson's Four Principles speech to joint session of Congress
19183 March - Soviet Russia and Central Powers make peace with Treaty of Brest-Litovsk
19187 March - Finland signs an alliance treaty with Germany
191821 March - Battle of Picardy; Start of German Spring Offensive
191826 March - Doullens Agreement gives General Foch "co-ordinating authority" over the western front
191828 March - German Operation 'Mars' is repulsed at Arras
19189 April - Battle of the Lys
191814 April - Foch appointed Commander-in-Chief of Allied forces on western front
191822 April - Battle of Zeeburgge
191816 May - In US: Sedition Act, amendment to Espionage Act of 1917
191825 May - German U-boats make their first appearance in US waters
191827 May - 3rd Battle of the Aisne begins
191828 May - 28th Regiment of US 1st Division goes into action at town of Cantigny
19186 June - Battle of Belleau Wood
19189 June - Opening of fourth phase of 1918 German offensive (Battle of the Matz) in French sector between Noyon and Montdider
19182 July - Allied Supreme War Council supports intervention in Siberia
19184 July - Battle of Le Hamel
19186 July - Wilson agrees to American intervention in Siberia
191815 July - 2nd Battle of the Marne
191818 July - US & French forces launch Aisne-Marne offensive
191820 July - German retreat at the Marne
19183 August - Large-scale Allied intervention begins at Vladivostok
19188 August - Amiens Offensive; Ludendorf's "Black Day" for German army
191810 August - 1st US Army organized under Pershing
191821 August - Allied breakthrough at Albert
19184 September - American troops land at Archangel in North Russia
191812 September - United States St Mihiel Offensive
191819 September - Opening of British offensive in Palestine (Battle of Megiddo)
191825 September - Brazil declares war on Austria
191826 September - Meuse-Argonne offensive begins; greatest offensive of war for US forces
191827 September - Canal du Nord Offensive
191829 September - Bulgaria signs armistice
19181 October - Arab and British forces capture Damascus from the Turks
19183-4 October - Germans and Austrians send notes to Wilson requesting an armistice
19185 October - Allied forces capture the Hindenburg Line
191812 October - Pershing forms 2nd Army under command of General Bullard
191818 October - The Czechs seize Prague and renounce Hapsburg's rule
191821 October - Germany ceases unrestricted U-boat warfare
191823 October - Italian Vittorio Veneto Offensive
191826 October - General Erich Ludendorff, resigns, protesting terms of armistice
191830 October - Turkey signs an armistice with the Allies
19183 November - Mutiny of the German fleet at Kiel
19183 November - Austria signs an armistice
19183 November - Poland proclaims independence
191811 November - Germany signs armistice, it goes into effect at 11 AM
191812 November - Emperor Karl of Austria-Hungary abdicates, Austria becomes a republic
191818 November - Wilson announces that he will attend peace conference personally
19181 December - American army of occupation enters Germany
19195 January - Sparticist (Communist) revolt begins in Berlin
191918 January - Peace negotiations start at Paris
191923 January - The Dutch government refuses the demands of the Allies to hand over Kaiser Wilhelm II, the dethroned German monarch who had fled to the Netherlands
191925 January - Peace conference accepts principle of League of Nations
19196 February - Germany National Assembly meets at Weimar
191914 February - Draft Convenant of League of Nations completed
19194 March - Founding of Comintern (Third International) at Moscow
191913 March - Admiral Kolchak begins his offensive against Bolsheviks in Russian Civil War
191914 March - Wilson returns to Paris after a month's absence
19197 April - Allies evacuate Odessa
191923 April - Wilson appeals directly to Italians in an effort to gain their support for his views on peace settlement
191924 April - Italian Premier Orlando walks out of peace conference over Fiume issue
19196 May - Peace conference disposes of Germany's colonies
19197 May - Treaty of Versailles submitted to German delegation
191921 June - German High Seas Fleet scuttled at Scapa Flow
191928 June - Treaty of Versailles signed
191924 August - Italian Premier Orlando walks out of peace conference over Fiume issue
192127 April - Germany's liability is declared to be 6.65 billion pounds by the Reparations Commission
192125 August - The United States, which never ratified the Versailles Treaty ending World War I, finally signs a peace treaty with Germany and Austria
19234 January - The Paris Conference on war reparations hits a deadlock as the French insist on the hard line and the British insist on Reconstruction
192310 January - The United States withdraws its last troops from Germany
19251 December - After a seven-year occupation, 7,000 British troops evacuate Cologne, Germany
193925 September - Versailles Peace Treaty forgot to include Andorra, so Andorra & Germany finally sign an official treaty ending WW I
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ee cummings - Biography
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American Protest Over the Sinking of the Lusitania

Documents
The "Blank Check"
(6 July 1914)
The Austro-Hungarian Ultimatum to Serbia
(23 July 1914)
The Serbian Response to the Austro-Hungarian Ultimatum
(25 July 1914)
German Request for Free Passage through Belgium
(2 August 1914)
Treaty of Alliance Between Germany and Turkey
(2 August 1914)
Belgian Refusal of Free Passage
(3 August 1914)
Japanese Ultimatum to Germany
(15 August 1914)
Manifesto of the Ninety-Three German Intellectuals to the Civilized World
(September 1914)
The Triple Entente Declaration on No Separate Peace
(4 September 1914)
Declaration of Professors in the German Reich
(23 October 1914)
21 Demands
(18 January 1915)
Treaty of London
(26 April 1915)
Japanese Ultimatum to China (and China's reply)
(7 May 1915)
Proclamation of the Irish Republic
(24 April 1916)
Sykes-Picot Agreement
(19 May 1916)
The Zimmerman Note
(19 January 1917)
Abdication of Nicholas II
(15 March 1917)
Balfour Declaration
(2 November 1917)
President Wilson's Fourteen Points
(8 January 1918)
Peace Treaty of Brest-Litovsk
(3 March 1918)
Peace Treaty of Versailles (Articles 1 - 30: The Covenant of the League of Nations)
(28 June 1919)
Peace Treaty of Versailles (Articles 31 - 117: Political Clauses for Europe)
(28 June 1919)
Peace Treaty of Versailles (Articles 118 - 158: German Rights and Interests Outside Germany)
(28 June 1919)
Peace Treaty of Versailles (Articles 227 - 230: Penalties)
(28 June 1919)
Peace Treaty of Versailles (Articles 434 - 440: Miscellaneous Provisions)
(28 June 1919)
Peace Treaty of Versailles (Articles 231 - 247: Reparations)
(28 June 1919)
Peace Treaty of Versailles (Articles 248 - 263: Financial Clauses)
(28 June 1919)
Peace Treaty of Versailles (Articles 214 - 226: Prisoners of War and Graves)
(28 June 1919)
Peace Treaty of Versailles (Articles 159 - 213: Military, Naval and Air Clauses)
(28 June 1919)
Peace Treaty of Versailles (Articles 313 - 320: Aerial Navigation)
(28 June 1919)
Peace Treaty of Versailles (Articles 321 - 386: Ports, Waterways and Railways)
(28 June 1919)
Peace Treaty of Versailles (Articles 387 - 399: Labour)
(28 June 1919)
Peace Treaty of Versailles (Articles 400 - 427: Procedure)
(28 June 1919)
Peace Treaty of Versailles (Articles 428 - 433: Guarantees)
(28 June 1919)
Peace Treaty of Versailles (Articles 264 - 312: Economic Clauses)
(28 June 1919)

Related Topics

Related Works
Wilson's Declaration of Neutrality
American Protest Over the Sinking of the Lusitania