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In 1882, The German Empire signed an agreement with Austria-Hungary and Italy, known as the Triple Alliance. -
in 1898, The Russian Social Democratic Labour Party was founded, led by Vladimir Ilyich Ulyanov (Lenin)
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The German Empire offered to help Morroco against France, who wanted to establish a protectorate in the region. -
the Algeciras Conference, which authorised a Franco-Spanish protectorate, forced the Germans to back down. -
In 1907, France, Britain and Rusia signed a mutual aid pact, the Triple Entente. -
The annexation of Bosnia-Herzegovina by Austria-Hungary increase tensions in the Balkans. -
In 1911, because of an uprising in southern Morroco, the Germans sent gunboats to the port of Agadir under the pretext of protecting German trade interest. France had Great Britains support, but ceded Kamerun (present-day Cameroon) to the Germans. -
In 1912 and 1913. Serbia allied with Russi and emerge as the victor. AAs Serbia ws clearly becoming stronger, Austria-Hungry. fearing a general Slv uprising while under its control, looked to the Germans support.
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Franz Ferdinand, heir to the Austro-Hungarian Empire, was assassinate in Sarajevo, the capital of Bosnia, which had been occupied by Austria-Hungary since 1908. The assasin was a Bosnian student who had links with Serbian natioalist organisations. -
Austria-hungary, encouraged by Germany, accused Serbia of the assasination an declared war on 28 July. Russia declared war on Austria-Hungary to protect Serbia, and Germany declared war on Russia and France. -
After Germany send the ultimatum to Russia and France, on the 3 of august Germany declared the war to France. -
Italy And Bulgaria enter the trench warfare in 1915 -
The Germans launched a new offensive on the Western Front in 1916 but were stopped by the French at the Battle of Verdun. -
On 23 of february 1917, there was a large demonstration in Petrogard, followed by a general strike and riots in the barracks. The tsar abdicated and a republic was proclaimed. -
Finally, the US joins the conflict after the President Wilson send a war message to the Congress. -
The Bolsheviks, with the support of the Soviets, had created their own armed militia, the Red Guards, and prepared for an insurrecation on 25 October of 1917. -
In November 1917, elections were held for the Constituent Assembly, convened by the provisional government. -
In the treaty of Brest-litovsk with Germany, Russia accepted territorial losses in exchange for peace. -
An armistice was signed on 11 of November 1918, bringing the war to an end. Germany loose and allies won. -
In January 1919, a conference was held in Paris to estabilish the terms for peace, and organised the Treaty of Versailles. -
In 28 of June, the treaty of Versailles imposed the terms of peace with Germany, while other treaties were signed with Austria, Bulgaria, Hungary and the Ottoman Empire. -
In 1921, The Red Army won the war. The conflict had contributed significantly to the hardening of the Soviet Regime. -
The URSS(Unión de republicas sociales sovieticas) were created.