The National Socialist German Workers' Party (German: De-Nationalsozialistische_Deutsche_Arbeiterpartei.ogg Nationalsozialistische Deutsche Arbeiterpartei (help·info), abbreviated NSDAP), commonly known in English as the Nazi Party (from the Ger. pronunciation of Nationalsozialist (based on earlier Ger. sozi, popular abbreviation of "sozialist")[1], was a political party in Germany between 1919 and 1945. It was known as the German Workers' Party (DAP) before the name was changed in 1920.