By October 1912 he had arrived in Vienna where he stayed with his older brother Martin and his family and worked at the Griedl Works before getting a job at Wiener Neustadt where he worked for Austro-Daimler, and was often asked to drive and test the cars.
In October 1912 he rejoined the 33rd Infantry Regiment as a sous-lieutenant (second lieutenant). The regiment was now commanded by Colonel (and future Marshal) Philippe Pétain, whom de Gaulle would follow for the next 15 years. He later wrote in his memoirs: "My first colonel, Pétain, taught me the art of command".
On October 14, 1912, while campaigning in Milwaukee, Wisconsin, Roosevelt was shot by a saloonkeeper named John Flammang Schrank. The bullet lodged in his chest after penetrating his steel eyeglass case and passing through a thick (50 pages) single-folded copy of the speech titled "Progressive Cause Greater Than Any Individual", which he was carrying in his jacket.