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The assassination of Archduke Franz Ferdinand
The assassination of Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, and his wife Sophie in Sarajevo the capital of the Austro-Hungarian province of Bosnia-Herzegovina on 28 June 1914 eventually led to the outbreak of the First World War. -
Montenegro declares war on Austria
Montenegro declares war on Austria-Hungary. Middle Eastern, The Ottoman Empire closes the Dardanelles. August 6, Politics · Austria-Hungary declares war on
1914. 28 June -
Second Battle of Ypres
During the First World War, the Second Battle of Ypres was fought from 22 April – 25 May 1915 for control of the tactically important high ground to the east and south of the Flemish town of Ypres in western Belgium. The First Battle of Ypres had been fought the previous autumn -
The Battle of Mons
The Battle of Mons was the first major action of the British Expeditionary Force in the First World War. It was a subsidiary action of the Battle of the Frontiers, in which the Allies clashed with Germany on the French borders -
The Battle of Tannenberg
The Battle of Tannenberg, also known as the Second Battle of Tannenberg, was fought between Russia and Germany between 23 and 30 August 1914, the first month of World War I. The battle resulted in the almost complete destruction of the Russian Second Army and the suicide of its commanding general, Alexander Samsonov -
The First Battle of the Marne
The First Battle of the Marne was a battle of the First World War fought from 5 to 12 September 1914. The German army invaded France with a plan for winning the war in 40 days by occupying Paris and destroying the French and British armies. The Germans had initial successes in August. -
The First Battle of Ypres
The First Battle of Ypres was a battle of the First World War, fought on the Western Front around Ypres, in West Flanders, Belgium. -
The Battle of the Somme
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 the French Third Republic against the German Empire. It took place between 1 July and 18 November 1916 on both sides of the upper reaches of the river Somme in France. -
The Battle of Verdun
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. -
The Battle of Jutland
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. -
The US enters the war
On April 4, 1917, the U.S. Senate voted in support of the measure to declare war on Germany. The House concurred two days later. The United States later declared war on German ally Austria-Hungary on December 7, 1917. -
The Third Battle
The Third Battle of Ypres, also known as the Battle of Passchendaele, was a campaign of the First World War, fought by the Allies against the German Empire. -
The Second Battle of the Marne
The Second Battle of the Marne was the last major German offensive on the Western Front during the First World War. The attack failed when an Allied counterattack, supported by several hundreds of tanks, overwhelmed the Germans on their right flank, inflicting severe casualties -
The signing of the Armistice
The signing of the Armistice 11 November 1918 In early 1918 the Allies were suffering, having been hit hard by four major German attacks. -
The Treaty of Versailles
The Treaty of Versailles was signed by Germany and the Allied Nations on June 28, 1919, formally ending World War One. The terms of the treaty required that Germany pay financial reparations, disarm, lose territory, and give up all of its overseas colonies