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This was the kick start of World War I. Ferdninand was the heir to the Austria-Hungary throne. The assassination was done by a Serbian,
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A month after the assassination of Ferdinand, Austria-Hungary declared war on Serbia after the country rejected the "July Ultimatum"
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Germany invaded Belgium, violating their neautrality as guaranteed by the Treaty of London in 1839. Angered by this violation of neutrality, the United Kingdom declared war on Germany and entered World War I.
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Germany had new, powerful boats known as U Boats and were a country extremely dependent on imports for food and production. In an attempt to cut down on effiency of both of these, the United Kingdom started a naval blockade of Germany
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An unofficial Christmas truce was set up between German and French forces fighting along the Western Front on December 24, 1914
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January 19, 1915 marked the first time zeppelins were used during World War I. Germany attacked the United Kingdom with two zeppelins, using them as bombers.
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The London Pact was signed by Italy, the United Kingdom, Russia, and France. The stipulations involved Italty defecting from alliance with Germany and Austria-Hungary, into an alliance with the "Triple Ente." Italy was also required to declare was on the two aforementioned countries. In return, Italty would received gains in land after the war ended.
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The RMS Lusitania was torpeoded by German U Boats. The event stirred anti-German sentiment in many countries and countributed to future US entrance into the war.
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Serbia had a weakened military as a result of fighting two wars in the span of 30 years. Germany wished to invade Serbia and encouraged Austria-Hungary to aide saying it would benefit, creating a direct rail connection between the two countries. Bulgaria entered the war on the side of the Central Powers. Together, Germany, Austria-Hungary, and Bulgaria invaded Serbia.
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After over a month of fighting with Germany, Austria-Hungary, and Bulgaria, the Serbian army was forced to retreat and evacuated by navies of Italy and France
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The Brusilov Offensive was a great military strategy employed by Russia on the Eastern Front of the war, it resulted in some of the greatest victory for the Allied Powers.
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Arthur Zimmerman, Germany's Foreign Secretary, sent a letter to his delegate to Mexico proposing a German-American alliance in the case of war with United States. Despite Mexico declining, the US was outraged and triggered American entrance into the war.
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With outrage over the Zimmerman letter, the United States declared war on Germany ion April 6th, 1917, marking their entrance into the war.
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The Supreme War Council was formed in Versailles by the allied forces as a central place to discuss military strategy and peace terms.
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A weakened morale in the Russian army, the failed Kerensky Offensive, and a weak provisional government in Russia led to the October Revolution in which the Bolsheviks overthrew the provisional government. This led to the future establishment of the CCCP.
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Woodrow Wilson outlines his Fourteen Points of peace. The points became the basis for German surrender in the war
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The signing of the Armistice of Compiègne triggered the end of fighting on the Western Front of the war
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After signings of varying Armistices, the Allied and Central powers met in France to discuss the terms of surrender for defeated nations
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The Treaty of Varsailles was the peace between Allied powers and Germany. Stipulations involved Germany taking sole responsiblity for the war and making land and monetary concessions.
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The first League of Nations meeting happened in London, England, officially ending World War I.