What is the defention for Thrid Reich?

The Third Reich refers to the period of Nazi Germany from 1933 to 1945, under the leadership of Adolf Hitler and the National Socialist German Workers' Party (NSDAP). It aimed to establish a totalitarian regime based on Aryan supremacy, militarism, and expansionism. The term "Third Reich" suggests a continuation of German history, following the Holy Roman Empire (the First Reich) and the German Empire (the Second Reich). This era is marked by aggressive nationalism, the Holocaust, and World War II.