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Archduke Franz Ferdinand
Archduke got assisinated. It was the spark that started WW1. -
Austria declares war on Serbia.
Austria-Hungary declares war -
Germany declares war on Russia.
Germany declares war on Russia. -
Germany declares war on France.
Germany declares war on France. -
The United Kingdom declares war on Germany, after Germany invades Belgium.
Declared war on Gemany. -
Austria-Hungary declares war on Russia and Serbia declares war on Germany.
Austria-Hungary declares war on Russia and Serbia declares war on Germany. -
U.S. President Woodrow Wilson announces the U.S. will remain neutral.
U.S. President Woodrow Wilson announces the U.S. will remain neutral. -
The Battle of Tannenberg begins.
The Battle of Tannenberg begins. -
The First Battle of the Marne begins.
Trench warfare begins as soldiers on both sides dig in. -
Battle of Ypres begins
Battle of Ypres begins -
The United Kingdom announces that the North Sea is a military area,
The United Kingdom announces that the North Sea is a military area, effectively creating a blockade of goods into Germany. -
Germany declares a "war zone"
Germany declares a "war zone" around Great Britain, essentially effecting a submarine blockade where even neutral merchant vessels were to be potential targets. -
The Dardanelles Campaign begins.
The Dardanelles Campaign begins. -
The Battle of Verdun begins.
The Battle of Verdun begins. The Battle of Verdun was the longest battle of World War I and was one of the bloodiest. -
The Second Battle of Ypres begins.
The Second Battle of Ypres begins. It is during this battle that the Germans first use poison gas. -
The Battle of Gallipoli begins.
The Battle of Gallipoli begins. -
The British ocean liner RMS Lusitania is sunk by German U-boat, U-20
The British ocean liner RMS Lusitania is sunk by German U-boat, U-20 -
The Battle of Jutland, the major naval battle of the war, begins.
The Battle of Jutland, the major naval battle of the war, begins. -
Tsar Nicholas II takes personal control over Russia's armies.
Tsar Nicholas II takes personal control over Russia's armies. -
The Battle of the Somme begins
The Battle of the Somme begins. During the Battle of the Somme, tanks are first introduced into battle.