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Dual Alliance
A defensive alliance between Germany and Austria-Hungary -
Tripple alliance
An agreement between Germany, Austria-Hungary and Italy. -
Von Schlieffen Plan
Germany would defeat France before Russia was mobilised and than fight Russia. -
Dreadnought
A new and superior battleship made by Britains. Dreadnought was optimized for long-range battles. -
Triple Entante
Triple Entente was an association between Great Britain, France, and Russia. -
Austria-Hungary annexation of Bosnia and Hercegovina
Austria-Hungary has been given control over Bosnia by an 1878 treaty. In October 1908 Austria-Hungary announced the annexation -
Balkan wars
Tensions in the Balkans led to the two Balkan wars in 1912 and 1913 that resulted in new divison of Balkan. -
Assassination of Franz Ferdinand in Sarajevo
The Archduke was killed by the Bosnian Gavrilo Princip, a member of Young Bosnia. -
July crisis
The July Crisis was a series of interrelated diplomatic and military escalations among the major powers of Europe in the summer of 1914 that was the ultimate cause of World War I. -
Austria-Hungary declares war on Serbia
The sequences of events (know as July crisis) led to WWI. Due to alliance systems a lot of countries was quickly involved. -
Battle of the Marne
The Battle on the Western front, in September 1914. The Battle of the Marne was the first significant Allied victory of World War I, saving Paris and thwarting Germany's plan for a quick victory over France -
Battle at Gallipoli
The Gallipoli Campaign of 1915-16, also known as the Battle of Gallipoli, was an unsuccessful attempt by the Allied Powers to control the sea route from Europe to Russia during WWI. The campaign began with a failed naval attack by British and French ships on the Dardanelles Straits in February-March 1915 and continued with a major land invasion of the Gallipoli Peninsula on April 25, involving British and French troops as well as divisions of the ANZAC. -
Battle of Ypres
The Second Battle of Ypres ended on May 25, with insignificant gains for the Germans. The introduction of poison gas, however, would have great significance in World War I. Immediately after the German gas attack at Ypres, the French and British began developing their own chemical weapons and gas masks. -
Treaty of London
Treaty of London, (April 26, 1915) was a secret treaty between neutral Italy and the Allied forces of France, Britain, and Russia to bring Italy into World War I. The Allies wanted Italy's participation because of its border with Austria-Hungary. -
The sinking of Lusitania
American public opinion about neutrality started to change after the sinking of the British ocean liner Lusitania by a German U-boat in 1915; almost 2,000 people perished, including 128 Americans. -
Battle at Verdun
It was one of the longest, bloodiest, and most-ferocious battles of the war; French casualties amounted to about 400,000, German ones to about 350,000. Some 300,000 were killed. To relieve the pressure being felt by the French, the British launched the Battle of the Somme in July 1916. -
Battle of the Somme
The Battle of the Somme was one of the bloodiest of World War One. For five months the allied armies fought the Germans in a battle of attrition on a 15-mile front. The aims of the battle were to relieve the French Army fighting at Verdun and to weaken the German Army. British forces suffered more than 57,000 casualties—including more than 19,000 soldiers killed. More than 3 million soldiers on both sides had fought in the battle, and more than 1 million had been killed or wounded. -
The Zimmerman Telegram
In January 1917, the British intercepted and deciphered an encrypted message from German Foreign Minister Arthur Zimmermann to the German minister to Mexico, Heinrich von Eckhart. The so-called Zimmerman telegram proposed an alliance between Germany and Mexico—America’s southern neighbor—if America joined the war on the side of the Allies. -
US entry in WWI
On April 2, 1917, Wilson went before a special joint session of Congress and asked for a declaration of war against Germany, stating: “The world must be made safe for democracy.” -
Battle of Caporetto
The Battle of Caporetto (also known as the Twelfth Battle of the Isonzo, the Battle of Kobarid or the Battle of Karfreit) was a battle on the Italian front of World War I. The battle was fought between the Kingdom of Italy and the Central Powers and took place from 24 October to 19 November 1917, near the town of Kobarid -
14 points
The Fourteen Points speech of President Woodrow Wilson was delivered before a Congress on January, 1918, during which Wilson outlined his vision for a stable, long-lasting peace in Europe, the Americas and the rest of the world following WWI. The programme consisted of certain basic principles, such as freedom of the seas and open covenants, a variety of geographic arrangements carrying out the principle of self-determination, and above all, a League of Nations that would enforce the peace. -
Treaty of Brest-Litovsk
The Treaty of Brest-Litovsk (also known as the Brest Peace in Russia) was a peace treaty signed on March 3, 1918 between the new Bolshevik government of Russia and the Central Powers (German Empire, Austria-Hungary, Bulgaria, and the Ottoman Empire), that ended Russia's participation in World War I. The treaty was signed at German-controlled Brest-Litovsk, after two months of negotiations. The treaty was agreed upon by the Russians to stop further invasion. -
End of WWI
At the 11th hour on the 11th day of the 11th month of 1918, the Great War ends. -
Treaty of Versailles
The treaty, which codified peace terms between the Allies and Germany, held Germany responsible for starting the war, and imposed harsh penalties in terms of loss of territory, massive reparations payments and demilitarization. -
The League of Nations
The League of Nations was an international diplomatic group developed after World War I as a way to solve disputes between countries before they erupted into open warfare. It has its origins in the Fourteen Points speech. The League was successful in 20's while in the 30's it had a lot of failures.
