-
Assassination of Archduke Franz Ferdinand in 1914
-
Austria-Hungary declares war on Serbia, effectively beginning the First World War.
-
Germany declares war on Russia.
-
Germany declares war on France, and invades neutral Belgium
-
The Austro-Hungarian Empire declares war on Russia
-
Great Britain and France declare war on Austria-Hungary
-
The French First and Second Army repelled the German offensive and were eventually able to regain all the ground lost by September
-
The Ottoman Empire officially entered World War One after Russia declared war on the Empire for bombarding its Black Sea ports.
-
Germany begins unrestricted submarine warfare against merchant vessels.
-
Deportation of Armenian intellectuals to Ankara, first act of the Armenian Genocide.
-
Treaty of London between the Entente and Italy.
-
The British liner Lusitania is sunk by a German U-boat
-
The Battle of the Somme, also known as the Somme Offensive, was a battle of the First World War fought by the armies of the British Empire and France against the German Empire
-
The first three prototypes of the Royal Aircraft Factory S.E.5 were flown in England
-
The opening of the Duma (Russian Parliament) was postponed to February 25, furthering upping tensions between the monarchy and the Russian government
-
The Central Council of Ukraine was established in Kiev with Mykhailo Hrushevsky as parliament head
-
The United States declares war on Germany.
-
First American troops land in France.
-
China declares war on Germany and Austria-Hungary.
-
The Allies agree to establish a Supreme War Council at Versailles.
-
The 1918 influenza pandemic
-
Woodrow Wilson outlines his Fourteen Points.
-
First known case of what will later be called Spanish Flu: Private Albert Gitchell at Camp Funston, Fort Riley, Kansas.
-
At 6 am, Germany signs the Armistice of Compiègne. End of fighting at 11 a.m..
-
Treaty of Versailles between the Allies and Germany: the Peace Conference opens in Paris
-
Treaty of Versailles signed
