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Assasination of leaders
Archduke Franz Ferdinand, heir to Austria-Hungary's throne, and his wife, Sophie, are assassinated by Serbian nationalist Gavrilo Princip while the couple were visiting Sarajevo. -
Austria-Hungary declares war on Serbia.
first to declare -
Germany declares war on Russia.
second to declare -
Germany declares war on France.
3rd to declare -
The United Kingdom declares war on Germany
fourth after Germany invades Belgium. -
Austria-Hungary declares war on Russia and Serbia declares war on Germany.
fifth -
U.S. President Woodrow Wilson announces the U.S. will remain neutral.
huge for tne US -
The Battle of Tannenberg begins
first battle -
The First Battle of the Marne begins
Trench warfare begins as soldiers on both sides dig in. -
Battle of Ypres begins
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The United Kingdom announces that the North Sea is a military area
effectively creating a blockade of goods into Germany. -
The unofficial Christmas truce is declared
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Germany declares a "war zone" around Great Britain
essentially effecting a submarine blockade where even neutral merchant vessels were to be potential targets. -
The Second Battle of Ypres begins.
It is during this battle that the Germans first use poison gas. -
The Battle of Gallipoli begins.
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Tsar Nicholas II takes personal control over Russia's armies.
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The Battle of Verdun begins.
The Battle of Verdun was the longest battle of World War I and was one of the bloodiest. -
The Battle of Jutland
the major naval battle of the war, begins -
The Battle of the Somme begins.
During the Battle of the Somme, tanks are first introduced into battle. -
Russian Tsar Nicholas II abdicates.
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The United States declares war on Germany.