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German Empire, Austria-Hungary and Italy signed an agreement, known as the Triple Alliance. -
German Empire offered to help Morocco against France, who wanted to establish a protectorate in the region. -
A revolution broke out demanding the end of autocracy, it was a paceful demonstration but the tsar respond with brutal repression. Workers, peasents and soldiers organised themselves into Soviets. -
The Algeciras Conference authorised a Franco-Spanish protectorate that forced the Germans to back down. -
France, Russia and Great Britain signed a mutual aid pact, the Triple Entente -
The annexation of Bosnia-Herzegovina by Austria-Hungary. -
The tensions in the Balkans resulted in the Balkan Wars in 1912 and 1913. Serbia allied with Russia and emerged as the victor. -
The assasination of the Austrian Archduke Franz Ferdinand by Gavrilo Princip (that was a Bosnian Serb) in 1914 triggered the First World War. -
Austrio-Hungary acused Serbia of the assassination and declared war on 28 July. Russia declared war on Austrio-Hungary and Germany declared war on Russia and France. -
Germany army attacked France through Belgium and Luxembourg (the Schlieffen Plan) violating the neutrality of both countries. -
The Germans launched a new offensive on the Western Front but were stopped by the French at the battle of Verdun. Romania entered the war -
In Russia on 23 February 1917 there was a large demonstration in Petrogad (Sant Petersburg) followed by general strike and riots in the barracks. -
Tsar Nicholas abdicated his throne and his son's claims, sending in motion the end of the Russian Empire after 196 years. -
Lenin returned to Russia from exile and published his new ideas in the April Theses -
The United States declared war on the German Empire, joining France, Great Britain, Russia, Canada, Australia, New Zealand, South Africa and Italy. -
The October Revolution, was a revolution in Russia led by the Bolshevik Party of Vladimir Lenin. -
In November 1917, elections were held for the Costituent Assembly. The Bolsheviks get only 25% of the seats so Lenin disolved the Assembly and put a end to political pluralism. The civil war start -
In the Western Front some 6,500 German guns and 3,500 heavy mortars opened up a terrifying five-hour barrage against the British Third and Fifth Armies. -
There were revolts in Germany army and navy, as well as worker's demonstrations against the goverment. As a result, the Kaiser abdicated and Germany surrendered. An armistice was signed on 11 November 1918, bringing the war to an end -
The Paris Peace Conference convened in January 1919 at Versailles to impose the terms of peace with Germany -
The Versailles Peace Treaty, signed on June 28, 1919, officially ended World War I. -
The Red army (Bolsheviks) deeated the White army and soldiers from Europe and won the war, they introduce the Soviet regime. -
Representatives of the Soviet governments of Russia, Ukraine, Belarus, and the Transcaucasian Republic took to the stage of Moscow's Bolshoi Theater to proclaim the formation of a new country, the USSR