The Kriegsmarine (German pronunciation: [ˈkʁiːksmaˌʁiːnə], War Navy) was the Navy of Weimar Republic from 1919 to 1935 and Nazi Germany from 1935 to 1945. It replaced the Imperial German Navy of World War I and the inter-war Reichsmarine. The Kriegsmarine was one of three official branches of the Wehrmacht, the armed forces of Nazi Germany.