World War One Timeline

Timeline of World War One, the sixth deadliest conflict in world history.

1914

 * June 28th: Archduke Francis Ferdinand assassinated in Sarejevo.
 * July 5th: Kaiser William II promised German support for Austria against Serbia.
 * July 28th: Austrai declared war on Serbia.
 * August 1st: Germany declared war on Russia.
 * August 3rd: Germany declared war on France and invaded Belgium. Germany had to implement the Schlieffen Plan.
 * August 4th: Britain declared war on Germany.
 * August 23rd: The BEF started its retreat from Mons. Germany invaded France.
 * August 26th: Russian army defeated at Tannenburg and Masurian Lakes.
 * September 6th: Battle of Marne started.
 * October 18th: First Battle of Ypres.
 * October 29th: Turkey entered the war on Germany's side. Trench warfare started to dominate the Western Front.

1915

 * January 19th: The first Zeppelin raid on Britain took place.
 * Febuary 19th: Britain bombarded Turkish forts in the Dardanelles.
 * April 25th: Allied troops in Gallipoli.
 * May 7th: The Lusitania was sunk by a German U-boat.
 * May 23rd: Italy declared war on Germany and Austria.
 * August 5th: The Germans captured Warsaw from the Russians.
 * September 25th: Start of the Battle of Loos.
 * December 19th: The Allies started the evacuation of Gallipoli.

1916

 * January 27th: Conscription introduced in Britain.
 * Febuary 21st: Start of Battle of Verdun.
 * April 29th: British forces surrendered to Turkish forces at Kut in Mesopatamia.
 * May 31st: Battle of Jutland.
 * June 4th: Start of the Brusilov Offensive.
 * July 1st: Start of Battle of the Somme.
 * August 10th: End of the Brusilov Offensive.
 * September 15th: First use en masse of tanks at the Somme.
 * December 7th: Lloyd George becomes British Prime Minister.

1917

 * Febuary 1st: Germany's Unrestricted Submarine Warfare campaign started.
 * April 6th: USA declared war on Germany.
 * April 16th: France launched an unsuccessful offensive on the Western Front.
 * July 31st: Start of Third Battle of Ypres.
 * October 24th: Battle of Caporetto-the Italian Army was heavily defeated.
 * November 6th: Britain launched a major offensive on the Western Front.
 * November 20th: British tanks won a victory at Cambrai.
 * December 5th: Armistice between Germany and Russia assigned.
 * December 9th: Britain captured Jerusalem from the Turks.

1918

 * March 3rd: The Treaty of Brest-Litovsk was signed between Germany and Russia.
 * March 21st: Germany broke through on the Somme.
 * March 29th: Marshall Foch was appointed Allied Commander on the Western Front.
 * April 9th: Germay began an offensive in Flanders.
 * July 15th: Second Battle of Marne started. The start of the collapse of the German army.
 * August 8th: The advanced of the Allies was successful.
 * September 19th: Turkish forces collapsed at Megiddo.
 * October 4th: Germany asked for the allies for an armistice.
 * October 29th: Germany's Navy mutinied.