User:Sudonymous/sandbox
Middle Eastern (Caucasian, Gallipoli, Sinai and Palestine, Mesopotamian, Persian, Arab, South Arabia)
African (North African, Togoland, Kamerun, South West Africa, East African, Somaliland)
Naval (Atlantic, Mediterranean)
Balkan (Serbian, Montenegrin, Macedonian)
1915
| Dates | Events | |
|---|---|---|
| January 2 | The Russian offensive in the Carpathians begins. It will continue until April 12. | |
| January 4–11 | Ottomans occupy Urmia and Tabriz by surprise. | Details |
| January 8 | Japan attempts to impose its Twenty-One Demands on neutral China. | |
| January 18–19 | Battle of Jassin. | |
| January 19 | First Zeppelin raid on Great Britain. | Details |
| January 19 – December 22 | Battle of Hartmannswillerkopf, series of battles fought to control the peak. | |
| January 24 | Battle of Dogger Bank between squadrons of the British Grand Fleet and the German Hochseeflotte. | Details |
| January 24–26 | Chilembwe uprising led by John Chilembwe in Nyasaland. | |
| January 28 – February 3 | The Ottomans fail to capture the Suez Canal. | Details |
| January 30 | The Russians take Tabriz. | Details |
| January 31 | Battle of Bolimov. First German use of chemical weapons.[1] | Details |
| February 4 | Germany begins unrestricted submarine warfare against merchant vessels. | Details |
| Jan Kemp surrenders. End of the Maritz Rebellion. | ||
| Battle of Kakamas: German invasion of South Africa repelled. | ||
| February 7–22 | Second Battle of the Masurian Lakes. The Russian X Army is defeated. | Details |
| February 15 | Troops in Singapore mutiny against the British | |
| February 19 | British and French naval attack on the Dardanelles. The Gallipoli Campaign begins.[2] | Details |
| March 5 | Great Britain and France promise Russia Constantinople. | |
| March 7 | Ottomans retreat to Qotur, pushed by a Russian counteroffensive. | Details |
| March 10 – March 13 | Battle of Neuve Chapelle. After an initial success, a British offensive is halted. | Details |
| March 14 | Battle of Más a Tierra. The last remnant of the German East Asia Squadron is sunk and its crew interned in neutral Chile. | |
| March 18 | Battle of 18 March. The British and French unsuccessfully try to force the Dardanelles, losing 3 Pre-Dreadnought Battleships | Details |
| March 22 | The Siege of Przemyśl ends. The Russians capture the fortress. | Details |
| April 5 – May 5 | First Battle of Woevre. | |
| April 12–14 | Battle of Shaiba. | |
| April 15 | Battle of Dilman | |
| April 19 – May 17 | The Ottomans besiege the Armenian city of Van. | Details |
| April 22 – May 25 | The Second Battle of Ypres, which ends in a stalemate. Germany first uses poison gas. | Details |
| April 22–23 | Battle of Gravenstafel, First stage of the Second Battle of Ypres. | |
| April 24 | Deportation of Armenian intellectuals to Ankara, first act of the Armenian Genocide. | |
| April 24 – May 5 | Battle of St Julien, part of the Second Battle of Ypres. | |
| April 25 | Allied forces land on Gallipoli, landing at Ari Burnu, soon renamed Anzac Cove, and Cape Helles.[3] | Details |
| April 26 | Treaty of London between the Entente and Italy.[4] | Details |
| Battle of Trekkopjes. | ||
| April 28 | First Battle of Krithia. The Allied advance is repelled.[5] | Details |
| April 29 | Battle of Gurin. | |
| May 1 | The Gorlice-Tarnów Offensive begins: the German troops under General Mackensen break through the Russian lines in Galicia. | Details |
| Battle of Eski Hissarlik. | ||
| May 3 | Troops withdraw from Anzac Cove. | Details |
| Italy revokes its commitment to a defensive alliance with Germany and Austria-Hungary. | ||
| May 6–8 | Second Battle of Krithia. The Allied attempts at advancing are thwarted again.[6] | Details |
| May 7 | The British liner Lusitania is sunk by a German U-boat.[7] | Details |
| May 8–13 | Battle of Frezenberg Ridge, Part of the Second Battle of Ypres. | |
| May 9 – June 18 | Second Battle of Artois. | |
| May 9 | Battle of Aubers Ridge, a phase of the Second Battle of Artois. | |
| May 10 | Troops from Hungary rout the Russians at Jarosław. Lviv is again in Austrian hands. | |
| May 11 | Armistice called at Gallipoli to bury the dead. | Details |
| May 12 | Windhoek, capital of German South-West Africa, is occupied by South African troops.[8] | Details |
| May 15–25 | Battle of Festubert. | |
| May 16 – June 23 | Battle of Konary. | |
| May 23 | Italy declares war on Austria-Hungary.[9] | Details |
| May 24–25 | Battle of Bellewaarde, final phase of the Second Battle of Ypres. | |
| May 31 – June 10 | Second Battle of Garua. | |
| June–September | The Russian Great Retreat from Poland and Galicia. | |
| June 4 | Third Battle of Krithia. Yet another Allied failure.[6] | Details |
| The Russians leave Przemyśl. | Details | |
| June 21–23 | Battle of Bukoba. | |
| June 22 | Mackensen breaks again through the Russian lines in the Lviv area. | Details |
| June 23 – July 7 | First Battle of the Isonzo. | Details |
| June 27 | The Austro-Hungarians re-enter Lviv. | Details |
| June 28 – July 5 | The British win the Battle of Gully Ravine. | Details |
| June 29 | Battle of Ngaundere | |
| July 1 | First aerial victory by a synchronized gun-armed fighter aircraft | Details |
| Battle of Otavi. | ||
| July 9 | The German forces in South-West Africa surrender. | Details |
| July 10–26 | Battle of Manzikert. | |
| July 18 – August 3 | Second Battle of the Isonzo. | Details |
| July 25 | Italians capture Cappuccio Wood. | Details |
| First Victoria Cross awarded to a British combat pilot | Details | |
| July 27–31 | Battle of Kara Killisse. | |
| August 5 | The Germans occupy Warsaw. | Details |
| August 6–10 | Battle of Lone Pine, part of the August Offensive. | |
| August 6–13 | Battle of Krithia Vineyard, part of the August Offensive. | |
| August 6–15 | Allies land at Suvla Bay, a phase of the August Offensive. | Details. |
| August 6–21 | Battle of Sari Bair, part of the August Offensive. Last and unsuccessful attempt by the British to seize the Gallipoli peninsula.[10] | Details |
| August 7 | Battle of the Nek, a phase of the August Offensive. | |
| August 7–19 | Battle of Chunuk Bair, a phase of the August Offensive. | |
| August 19 | A German U-Boat sinks the liner SS Arabic (1902). 44 died including 3 Americans | |
| August 21 | Scimitar Hill, a phase of the August Offensive. | |
| Italy declares war on the Ottoman Empire.[9] | ||
| August 21–29 | Battle of Hill 60, part of the August Offensive. | Details |
| August 26 – September 19 | Sventiany Offensive, a phase of the Gorlice-Tarnow Offensive. | |
| September 1 | Germany suspends unrestricted submarine warfare. | Details |
| September 5–8 | The Zimmerwald Conference of anti-militarist European socialist parties is held in Zimmerwald, Switzerland. | Details |
| September 5 | Nicholas II removes Grand Duke Nicholas Nikolayevich as Commander-in-Chief of the Russian Army, personally taking that position. | Details |
| September 15 – November 4 | Third Battle of Artois. | |
| September 19 | The Germans occupy Vilnius. The Gorlice-Tarnów Offensive ends. | Details |
| September 25–28 | Battle of Loos, a major British offensive, fails. | Details |
| September 25 – October 15 | Battle of the Hohenzollern Redoubt, a phase of the Battle of Loos. | |
| September 25 – November 6 | Second Battle of Champagne. | |
| September 28 | Battle of Es Sinn. | |
| October 3 | Allies land troops at Salonika in Greece to aid Serbia. | Details |
| October 7 – December 4 | Serbia is invaded by Germany, Austria-Hungary, and Bulgaria. | Details |
| October 12 | Edith Cavell executed. | |
| October 14 | Bulgaria declares war on Serbia[9] | Details |
| October 14 – November 9 | Morava Offensive, a phase of the Central Powers Invasion of Serbia, Bulgarians break through Serbian lines. | |
| October 14 – November 15 | Ovche Pole Offensive, a phase of the Central Powers invasion of Serbia, Bulgarians break through Serbian lines. | |
| October 15 | The United Kingdom declares war on Bulgaria.[9][11] | |
| Montenegro declares war on Bulgaria.[9] | ||
| October 16 | France declares war on Bulgaria.[9] | |
| October 17 – November 21 | Battle of Krivolak, first of the Salonika Front. | |
| October 18 – November 4 | Third Battle of the Isonzo | Details |
| October 19 | Italy and Russia declare war on Bulgaria.[9] | |
| October 27 | Andrew Fisher resigns as Prime Minister of Australia; he is replaced by Billy Hughes. | |
| October 29 | René Viviani resigns as Prime Minister of France; he is replaced by Aristide Briand. | |
| November 4–6 | Battle of Banjo. | |
| November 10 | Pro-Central Powers Iranians seize Shiraz from pro-Entente forces and arrest all British citizens in the city. | Details |
| November 10 – December 2 | Fourth Battle of the Isonzo | |
| November 10 – December 4 | Kosovo Offensive, a phase of the Central Powers invasion of Serbia, Serbians pushed into Albania. | Details |
| November 14–30 | Russian forces from the Caucasus occupy Tehran. | Details |
| November 17 | Armed by Ottomans and Germans, the Libyan Senussi cross the border and attack Egypt from the west. | Details |
| November 22–25 | Battle of Ctesiphon, in present-day Iraq.[12] | Details |
| November 27 | The Serbian army collapses. It will retreat to the Adriatic Sea and be evacuated by the Italian and French Navies. | Details |
| December – July, 1916 | Battle of Lake Tanganyika. | |
| December 6–12 | Battle of Kosturino | |
| December 7 | The First Siege of Kut, Mesopotamia, by the Ottomans begins.[13] | Details |
| December 15 | Russians occupy Hamadan. | Details |
| December 18 | Gallipoli evacuations, a major Ottoman victory and a "disaster for the Allies." | |
| December 19 | Douglas Haig replaces John French as commander of the British Expeditionary Force. | Details |
| December 23 | Carl Zimmermann orders the retreat of all German forces and civilians in Kamerun to the Spanish colony of Río Muni. |
- ^ Duffy, Michael (2009-08-22). "The Battle of Bolimov, 1915". Firstworldwar.com. Retrieved 2013-11-13.
- ^ Tucker 2005, p. 337.
- ^ Tucker 2005, p. 564.
- ^ "Italy Declares War on Germany". World History Project. Retrieved 2016-06-17.
- ^ Tucker 2005, p. 652.
- ^ a b Tucker 2005, p. 653.
- ^ Tucker 2005, p. 721.
- ^ Tucker 2005, p. 42.
- ^ a b c d e f g Duffy 2009.
- ^ Tucker 2005, p. 1139.
- ^ "Foreign Office, Notice of State of War Between Great Britain and Bulgaria, October 15, 1915, London Gazette no. 29333 (October 19, 1915): 10257–58".
- ^ Tucker 2005, p. 323.
- ^ Tucker 2005, p. 660.