World War I

Franz Ferdinand assassinated

Jun 28, 1914

Austria-Hungary declares war on Serbia

Jul 28, 1914

Germany declares war on Russia

Aug 1, 1914

Germany declares war on France

Aug 3, 1914

Schlieffen Plan

Aug 4, 1914

Austria-Hungary declares war on Russia and Serbia declares war on Germany

Aug 6, 1914

Battle of Marne begins

Sep 5, 1914

Battle of Ypres begins

Oct 9, 1914

Dardanelles Campaign begins

Feb 19, 1915

Second Battle of Ypres begins

Apr 22, 1915

Lusitania is sunk by German U-boat

May 7, 1915

Tsar Nicholas II takes full control over Russia's armies

Sep 5, 1915

Battle of Verdun begins

Feb 21, 1916

Longest battle of World War I and was one of the bloodiest

Battle of Somme begins

Jul 1, 1916

Zimmerman telegram sent to Mexico from Germany

Jan 19, 1917

United States declares war on Germany

Apr 6, 1917

Russia gets out of World War I with armistice with Central Powers

Dec 17, 1917

President Woodrow Wilson issues his Fourteen Points

Jan 8, 1918

Second Battle of Marne begins

Jul 15, 1918

Kaiser Wilhelm flees Germany

Nov 9, 1918

Germany signs armistice on the 11th hour of the 11th day of the 11th month ending WWI

Nov 11, 1918

Treaty of Versailles officially ending World War I

Jun 28, 1919