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Germans get into battle with American forces at Chateau-Thierry
Germans on the banks of the Marne near Paris are stopped by American forces at Chateau-Thierry -
Archduke and his wife's death
Archduke Franz Ferdinand, heir to the throne of Austro-Hungarian Empire, and his wife are assassinated. -
War proclaimed upon Serbia
Emperor Franz Joseph of Austria-Hungary declares war on Serbia. -
Ottoman empire signs alliance with Germany
The Ottoman Empire signs a secret alliance with Germany agreeing to enter the war once Germany declares war on Russia. They formally enter the war several months later on October 28, 1914 when they bomb Russian seaports. Bulgaria joins the Central Powers on October 15, 1915. -
Germany declares war on neutral Belgium
Germany declares war on neutral Belgium and invades Belgium and Luxembourg as part of the Schlieffen Plan. As a result, Britain declares war on Germany. -
War upon Russia
Austria-Hungary declares war on Russia. -
United States is neutral in the war
The United States declares neutrality in the war. -
Russia loses a battle
The German army defeats Russia at the Battle of Tannenberg. -
Germany is in battle
The German invasion of France is halted at the First Battle of Marne. -
Temporary Christmas Truce
An unofficial Christmas truce is declared by German and Allied soldiers in the trenches along the Western Front. -
Battle of Gallipoli
The germans start using poison at the 2nd battle of Ypres. -
Genocide
Armenian Genocide begins. -
Allies start battle in Turkish Peninsula
Allies begin a nine-month battle for the Turkish peninsula of Gallipoli. -
Lusitania is sunken
A German U-boat sinks the Lusitania killing 1,198 civilians, including 128 Americans. -
Italy betrays Central Power
Italy Joins the Allies. -
Battle of Ypres
The Battle of Ypres is finished. -
Execution
British nurse, Edith Cavell, is executed by the Germans. -
Battle of Verdun
The Battle of Verdun is fought resulting in an estimated one million casualties. -
Introduction of tanks
The British introduced the tank during the Battle of Somme. The battle resulted in an estimated one million casualties. -
Battle of Somme concluded
The Battle of Somme is finished resulting in the victory of the Allies. -
Battle of Verdun concluded
The Battle of Verdun is finished with France winning the battle. -
Message deciphered from Germany
British cryptographers deciphered a telegram from German Foreign Minister Arthur Zimmerman to the German Minister of Mexico. -
Submarine Warfare
The Germans resumes unrestricted submarine warfare -
Tsar Nicholas
Tsar Nicholas II of Russia abdicates. -
President Wilson seeks war
President Wilson asks the U.S. Congress for a declaration of war against Germany. -
3rd battle of Ypres
The 3rd battle of Ypres, also known as Passchendaele, results in minor gains for the Allies and a total of 700,000 casualties. -
Balfour is shown
The Balfour Declaration is presented in London. -
3rd Battle of Ypres
The battle of Ypres concluded in the victory of Britain -
President Wilson
President Wilson outlines his Fourteen Points in a speech before Congress. -
Treaty of Brest-Litovsk
The Treaty of Brest-Litovsk is signed between Russia and Germany. -
Germans get into battle with the Americans
Germans on the banks of the Marne near Paris are stopped by American forces at Chateau-Thierry -
Germany abdicates
Kaiser Wilhelm II of Germany abdicates. -
Austria abdicates
Emperor Karl of Austria abdicates. -
Battle on the Western Front ends
At eleven o’clock on this day, war on the Western Front ends as Germany and the Allies sign an Armistice. -
Treaty of Versailles signed
Germany and Allies sign the Treaty of Versailles. The U.S. Senate later refuses to ratify it. -
War on the Eastern Front ends
The Treaty of Sevres ends the war on the Eastern Front with the Ottoman Empire.