Former countries similar to or like Nazi Germany

The era of National Fascist Party government from 1922 to 1943 with Benito Mussolini as Prime Minister of the Kingdom of Italy. The Italian Fascists imposed totalitarian rule and crushed political and intellectual opposition, while promoting economic modernization, traditional social values and a rapprochement with the Roman Catholic Church. Wikipedia

Annexed by Nazi Germany until the end of World War II in 1945. Austrians were generally enthusiastic supporters of union with Nazi Germany. Wikipedia

Historically prominent German state that originated in 1525 with a duchy centered on the region of Prussia on the southeast coast of the Baltic Sea. De facto dissolved by an emergency decree transferring powers of the Prussian government to German Chancellor Franz von Papen in 1932 and de jure by an Allied decree in 1947. Wikipedia

The civilian occupation regime (Reichskommissariat) of much of Nazi German-occupied Ukraine (which included adjacent areas of modern-day Belarus and pre-war Second Polish Republic). Governed by the Reich Ministry for the Occupied Eastern Territories headed by Alfred Rosenberg. Wikipedia

State which existed from 1861—when King Victor Emmanuel II of Sardinia was proclaimed King of Italy—until 1946, when civil discontent led an institutional referendum to abandon the monarchy and form the modern Italian Republic. Founded as a result of the unification of Italy under the influence of the Savoy-led Kingdom of Sardinia, which can be considered its legal predecessor state. Wikipedia

Country that existed from 1949 to 1990, the period when the eastern portion of Germany was part of the Eastern Bloc during the Cold War. Commonly described as a communist state in English usage, it described itself as a socialist "workers' and peasants' state". Wikipedia