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Allies
Also known as the Entente Powers, were the countries that opposed the Central Powers during the First World War. The members of the original Entente Alliance of 1907 were the French Republic, the British Empire and the Russian Empire. -
Central Power
Austria-Hungary, Germany, and the Ottoman Empire. -
1914 Assassination of Archduke Franz Ferdinand
The assassins' motives were consistent with the movement that later became known as Young Bosnia. The assassination led directly to the First World War when Austria-Hungary subsequently issued an ultimatum to the Kingdom of Serbia, which was partially rejected. Austria-Hungary then declared war -
Schieffen Plan
The Schlieffen Plan was the name given after World War I to the thinking behind the German invasion of France and Belgium on 4 August 1914. Field Marshal Alfred von Schlieffen was the Chief of the Imperial German General Staff from 1891–1906 and in 1905/06 devised a deployment plan for a war-winning offensive, in a one-front war against the French Third Republic. -
Sinking of British liner Lusitania
Germany waged submarine warfare against the United Kingdom of Great Britain and Ireland. The ship was identified and torpedoed by the German U-boat U-20 and sank in 18 minutes. -
Sinking of British linear Arabic
A German U-boat sank the British passenger ship Arabic, killing forty-four people, including two Americans. The attack, coupled with the sinking of the Lusitania, created a diplomatic crisis between Germany and the United States that was somewhat defused when Germany issued the Arabic Pledge, renouncing its unannounced attacks on passenger ships. -
Battle of 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 and French empires against the German Empire. -
Sinking of French passenger liner Sussex
Germany sparked an international diplomatic crisis when, on 24 March 1916, one of its submarines - UB-29, mistakenly sank a French cross-channel ferry - the Sussex of 1,350 tons - believing it instead to be a minelayer. -
Zimmermans Telegraph
an internal diplomatic communication issued from the German Foreign Office in January, 1917 that proposed a military alliance between Germany and Mexico in the event of the United States' entering World War I against Germany. If won, Mexico would get back some American land that was taken over by the U.S. -
Selective Service Act
The act required all men in the U.S. between the ages of 21 and 30 to register for military service. -
Convoy System
The convoy—a group of merchantmen or troopships traveling together with a naval escort—was revived during World War I, after having been discarded at the start of the Age of Steam -
Committee on public information
The Committee on Public Information, also known as the CPI or the Creel Committee, was an independent agency of the government of the United States created to influence U.S. public opinion regarding American participation in World War I. -
War industries board
a United States government agency established on July 28, 1917, during World War I, to coordinate the purchase of war supplies. The organization encouraged companies to use mass-production techniques to increase efficiency and urged them to eliminate waste by standardizing products. -
Espionage and sedition acts
It was intended to prohibit interference with military operations or recruitment, to prevent insubordination in the military, and to prevent the support of U.S. enemies during wartime. -
Food Administration
During the United States participation in World War I the U. S. Food Administration was the responsible agency for the administration of the U.S. army overseas and allies' food reserves. One of its important tasks was the stabilization of the price of wheat on the U. S. market -
Second battle of Marne
was the last major German offensive on the Western Front during the First World War. The attack failed when an Allied counterattack by French and American forces -
Cease fire and armstice
during the First World War between the Allies and Germany – also known as the Armistice of Compiègne after the location in which it was signed – and the agreement that ended the fighting on the Western Front -
National Wat Labor Board
a United States federal agency created in two different incarnations, the first by President Woodrow Wilson from 1918–19 during World War -
Austri hungary surrenders to allies
austria hungary lose and are forced to surrender to the allies -
Establishment of the German Republic
of Weimar, where its constitutional assembly first took place. The official name of the state was the German Reich (Deutsches Reich), continuing the name from the pre-1918 German Empire.