-
Assassination of Archduke Franz Ferdinand of Austria, heir to the Austro-Hungarian throne, who is killed in Sarajevo along with his wife, Duchess Sophie.
-
World War 1
-
Austria-Hungary sends an ultimatum to Serbia. The Serbian response is seen as unsatisfactory.
-
Britain protests the violation of Belgian neutrality, guaranteed by a treaty; German Chancellor replies that the treaty is just a chiffon de papier (a scrap of paper). The United Kingdom declares war on Germany.
-
Austria-Hungary declares war on Russia.
-
The Germans obtain a victory against the British Expeditionary Force and France's Fifth Army.
-
British and French naval attack on the Dardanelles. The Gallipoli Campaign begins.
-
The Allied attempts at advancing are thwarted again.
-
Battle of Sari Bair, aka the August Offensive. Last and unsuccessful attempt by the British to seize the Gallipoli peninsula.
-
Nicholas II removes Grand Duke Nicholas Nikolayevich as Commander-in-Chief of the Russian Army, personally taking that position.
-
The Battle of Verdun was one of the critical battles during World War I on the Western Front. It was fought between the German and French armies, on hilly terrain north of the city of Verdun-sur-Meuse in northeastern France. The Battle of Verdun ended with a French victory as the German assailants failed to capture Verdun and were pushed back close to their initial starting lines.
-
Battle of Magdhaba in the Sinai peninsula.
-
Togoland is divided into British and French administrative zones.
-
The British attack a heavily fortified German line without obtaining any strategic breakthrough.
-
The Second Battle of the Aisne ends in disaster for both the French army and its commander Robert Nivelle.
-
The battle consisted of a series of operations starting in June 1917 and petering out in November 1917 in which Entente troops under British command attacked the Imperial German Army. The battle was fought for control of the village of Passchendaele near the town of Ypres in West Flanders, Belgium.
-
First Battle of the Piave: the Austro-Hungarians and Germans try unsuccessfully to cross the river.
-
The Second Battle of the Marne, was the last major German offensive on the Western Front. It failed when an Allied counterattack led by French forces overwhelmed the Germans, inflicting severe casualties.