WWI By mnine11 Period: Jan 1, 1914 to Dec 31, 1918 WWI Jun 28, 1914 Austria-Hungary declared war on Serbia. Jun 28, 1914 Archduke Franz Ferdinand was assassinated so this was the start of WW1 or The Great War This was the start of WW1 or The Great War Aug 4, 1914 Germany ivaded Belgium and started the fighting. Aug 10, 1914 Austria-Hungary invaded Russia, opening the fighting on the Eastern Front. Apr 6, 1917 United States declared war on Germany. Jun 24, 1917 American troops began landing in France. Dec 15, 1917 Russia signed an armistice with Germany, ending the fighting on the Eastern Front. Mar 21, 1918 Germany launched firtst of its final three offensives on the Western Front. Sep 26, 1918 The Allies began their final offensive on the Western Front. Nov 11, 1918 Germany signed an armistice ending World War I.
