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The assassination of Austrian Archduke Franz Ferdinand.
Archduke Franz Ferdinand was assassinated on June 28, 1914. Gavrilo Princip was the one who assassinated him with a gun. -
Austria-Hungary declares war on Serbia
Austria-Hungarty declared war on Serbia on July 28, 1914. They declared war because of the assassination of Archduke Franz Ferdinand. -
Austria-Hungary declares war on Serbia.
On July 28, 1914, one month to the day after Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War. -
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World War I
World War I started on July 28, 1914 and ended on June 28, 1919. -
Germany declares war on Russia
Germany declared war on Russia on August 1, 1914. -
Germany declares war on France
Germany had been drawing up their plan for war, the Schlieffen plan, since 1897. It worked on the basis that they would be at war with Russia and France at the same time.
The Germans thought that France would be weak and easy to capture, whereas Russia would be much stronger, but very slow to mobilise. So in essence the Germans could nip over to France, defeat it, and then come back and finish off the Russians. -
The United Kingdom declares war on Germany, after Germany invades Belgium.
The United Kingdom joined the allies and declares war on Germany when Belgium was invaded by them. -
Austria-Hungary declares war on Russia and Serbia declares war on Germany.
The Bosnian Crisis and the death of Archduke Franz Ferdinand triggered Austria-hungary to declare war on Russia. -
Germany declares a "war zone" around Great Britain, essentially effecting a submarine blockade where even neutral merchant vessels were to be potential targets.
A full two years before Germany's aggressive naval policy would draw the United States into the war against them, Kaiser Wilhelm announces an important step in the development of that policy, proclaiming the North Sea a war zone, in which all merchant ships, including those from neutral countries, were liable to be sunk without warning. -
The United States declares war on Germany.
At 8:30 on the evening of April 2, 1917, President Wilson appeared before a joint session of Congress and asked for a declaration of war against Germany in order to "make the world safe for democracy." -
The Treaty of Versailles officially ends WWI.
World War I (1914-1918) was finally over. This first global conflict had claimed from 9 million to 13 million lives and caused unprecedented damage. Germany had formally surrendered on November 11, 1918, and all nations had agreed to stop fighting while the terms of peace were negotiated. On June 28, 1919, Germany and the Allied Nations (including Britain, France, Italy and Russia) signed the Treaty of Versailles, formally ending the war. (Versailles is a city in France, 10 miles outside of Pari
