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In the second attack against the Archduke of Austria, it was fatal, which caused his death, "the Death of Archduke Franz Ferdinand", this death is remembered since it was the one that triggered the start of the First World War. -
In retaliation for the murder of its duke Germany
declares war on Serbia. This begins the mobilization of European alliances. This is how the conflict began -
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Germany declares war on Russia on August 1, 1914 in this same month and also declares war on France on August 3, 1914. Great Britain declares war on Germany on August 4, this happens due to the invasion from Germany to Belgium violating its neutrality. -
The French and British allied troops manage to stop the German attack on Paris. -
To keep the territory under control to prevent the enemy from conquering it, Germany made trenches. This is how trench warfare began. -
Germany uses (poisonous) chlorine gas for the first time in the second battle of Ypres, causing massive casualties. This event marks the beginning of chemical warfare. -
A German submarine torpedoes the British liner Lusitania, killing more than 1,000 people, including American citizens. This increases international pressure against Germany. -
Germany launches an attack on French positions at Verdun. France resists but in the end both sides suffered enormous losses with more than 7000,000 combined casualties. -
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This was one of the bloodiest battles of this war. British and French forces try to break German lines. It was also the first time tanks were used, but their advances were limited and casualties exceeded one million.This battle lasted from July 1 to November 18, 1916.
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The United States declares war on Germany after the resumption of unrestricted submarine warfare and the discovery of the Zimmerman Telegram in which Germany proposed an alliance with Mexico against the United States. -
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The Blosheviks led by Lennin defeated the Russian provisional government. Russia begins negotiations to end the conflict due to its internal situation. -
Russia signs a peace treaty with the Central Powers, ceding vast territories such as Ukraine, Poland and the British states to Germany and Austria. -
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The allied forces now reformed by American troops launch a decisive counteroffensive. Germany begins to retreat in what is known as the hundred days offensive. -
Germany signs the armistice with the allies, ending the fighting on the Western Front. The war officially ends that day. -
Leaders of the allied nations meet to negotiate terms of peace. The agreements include the creation of the League of Nations. -
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Germany signs the Treaty of Versailles, accepting responsibility for the war and committing to pay reparations. The treaty also redefines borders.