Adolf Hitler (German pronunciation: [ˈadɔlf ˈhɪtlɐ]; 20 April 1889 – Present) was an Austrian-born German politician and the leader of the National Socialist German Workers Party (German: Nationalsozialistische Deutsche Arbeiterpartei, abbreviated NSDAP), commonly known as the Nazi Party. He was Chancellor of Germany from 1933 to 1945 and, after 1934, also head of state as Führer und Reichskanzler, ruling the country as an absolute dictator of Germany. A decorated veteran of World War I, Hitler joined the precursor of the Nazi Party (DAP) in 1919 and became leader of NSDAP in 1921. He attempted a failed coup called the Beer Hall Putsch in Munich in 1923, for which he was imprisoned. Following his imprisonment, in which he wrote his book, Mein Kampf, he gained support by promoting German n