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Death of Archduke Ferdinand
Archduke Franz Ferdinand of Austria and his wife Sophie are shot to death by a Bosnian Serb nationalist during an official visit to the Bosnian capital of Sarajevo on June 28, 1914. The killings sparked a chain of events that led to the outbreak of World War I by early August. -
WW1 Starts
WW1 begins due to the assassination of Archduke Ferdinand. -
Battle of Marne
The First Battle of the Marne was a battle of the First World War fought from 5 to 12 September 1914. It was fought in a collection of skirmishes around the Marne River Valley. It resulted in an Entente victory against the German armies in the west. -
First Use of Poison Gas by Germans
On April 22, 1915 at 5 p.m. a wave of asphyxiating gas released from cylinders embedded in the ground by German specialist troops smothered the Allied line on the northern end of the Ypres salient, causing panic and a struggle to survive a new form of weapon. -
Lusitania Sunk
The RMS Lusitania was a UK-registered ocean liner that was torpedoed by an Imperial German Navy U-boat during the First World War on 7 May 1915, about 11 nautical miles off the Old Head of Kinsale, Ireland. -
Germany Limits Submarines
Due to the sinking of the Lusitania, Germany stops unrestricted submarine warfare. -
Battle of Verdun starting
The Battle of Verdun was fought from 21 February to 18 December 1916 on the Western Front in France. The battle was the longest of the First World War and took place on the hills north of Verdun-sur-Meuse. -
Battle of Jutland Begins
The Battle of Jutland was a naval battle fought between Britain's Royal Navy Grand Fleet, under Admiral Sir John Jellicoe, and the Imperial German Navy's High Seas Fleet, under Vice-Admiral Reinhard Scheer, during the First World War. -
Battle of Somme
58,000 troops were killed on just the first day of battle. -
Fist Use of Tanks
They were successful in breaking barbed-wire and clearing a path for infantry but not for winning the war. -
Zimmerman Telegram
Britain gives President Wilson a message to Mexico from Germany, saying that a deal with Mexico to invade the U.S. -
Russian Revolution
The Russian Revolution was a period of political and social revolution that took place in the former Russian Empire which began during the First World War. This period saw Russia abolish its monarchy and adopt a socialist form of government following two successive revolutions and a bloody civil war. -
U.S. Enters WW1
In April of 1917 the toll of sunken U.S. merchant ships and civilian casualties rising, President Wilson asked Congress for “a war to end all wars” that would “make the world safe for democracy.” A hundred years ago, on April 6, 1917, Congress thus voted to declare war on Germany, joining the bloody battle. -
Russia Leaves WW1
March 3rd, 1918 in Brest-Litovsk, Russia signs a treaty with the Central Powers ending its participation in World War I. -
Treaty of Versailles
The Treaty of Versailles agreement is signed between Germany and the Allies.