WWI timeline By ivymicke@gmail.com Jul 28, 1914 War broke out after Franz Ferdinand and Sophie were assinated Period: Jul 28, 1914 to Nov 29, 1919 WWI highlights Apr 6, 1917 The United States joins the war May 18, 1917 Congress passes the Selective Service Act Jan 29, 1918 President Wilson outlined his peace plan Mar 21, 1918 Germans massed near the French town of Amiens Jun 9, 1918 American troops fought their first battle Nov 11, 1918 WWI ended Jun 29, 1919 The Treaty of Versailles was ready Sep 29, 1919 President Wilson made speaches across the country to support the Treaty of Versailles Nov 29, 1919 senate rejected the Treaty of Versailles