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Assassination of Franz Ferdinand
Archduke Franz Ferdinand heir to the Austrian throne is killed Sarajevo by the Black Hand a serbian terrorist group. -
Austria's declaration of war
After the ultimatum sent to Serbia for an investigation of the attack, Austria-Hungary declares war to the kingdom of serbia. -
Russian,German,and French intervention
Serbia being a Russian ally drags Russia to the war the Germany declares war on Russia causing France to join. -
Declaration of war on Belgium, The British empire enters the war
Germany to attack France on another side decides to invade Belgium to flank french positions, Belgium having a treaty with England drags it to the war -
Germany occupies Brussels
After fighting in Walloon,Belgium, German forces took the belgian capital. -
Battle of tannenberg
Russia invades Prussia but is stalled at the Battle of Tannenberg ending in a defeat of the Russian army this would continue to the end of the war with Russian defeats. -
Ottoman empire enters the war
After shelling a Russian Black Sea port, Russia,France,and Great Britain declare war on Turkey. -
Christmas Truce
With Christmas eve coming, both sides on the western front stopped the fighting and met with each other, -
Battle of Bolimov
Battle in the eastern front which saw the first large scale use of chemical gas in a battle. -
The beginning of the Armenian Genocide
After being suspected of helping the Russians, The large Armenian population in the ottoman empire was deported or killed. -
Italy switches side
after the sending of an Italian secret telegram to the entente promising Italy's support, Italy formally joins the war. -
The first tank is tested
A prototype by the British of an tractor is fitted with militarized machinery to fight in the trenches. -
Bulgaria joins the Central Powers
Bulgaria declares war on Serbia aiming to take Macedonia -
Easter Rising
Irish rebels revolt in Dublin taking key places but is then defeated. -
Battle of the Somme
The most bloodiest battle starts with 5700 casualties the first day. -
Romania joins the Entente
With being offered Transylvania from Austria-Hungary, Romania officialy joins the war, -
Charles I becomes emperor of Austria-Hungary
After the death of Franz Joseph by pneumonia, Charles I is crowned as the emperor of the dual monarchy. -
February Revolution
Revolution in Russia starts in Petrogad with workers demanding bread. -
Tsar Nicholas II Romanov abdicates the Russian throne
Tsar Nicholas II abdicates causing the end of the Romanov dynasty after nearly 200 years and the beginning of a democratic provisional government. -
USA declares war
The united states declares war on Germany after all the sinking of cruise liners. -
October revolution
Bolsheviks rise up in Russia against the provisional government, their aim was the implementation of communism. -
Treaty of Brest-Litvosk
The soviet union and the central powers sign a armistice therefore Russia leaves the war. -
Dissolution of the Austria-Hungary
The Hungarian government separates from the Austrian one therefore ending the dual monarchy. -
Treaty of Versailles
Germany surrenders to the Entente and submits to the treaties signed at Versailles
