Complex sentence: The official name of the state was "Deutsches Reich" from 1933 to 1943 and "Großdeutsches Reich" from 1943 to 1945, while common English terms are "Nazi Germany" and "Third Reich".
Split into simpler sentences: The official name of the state was "Deutsches Reich" from 1933 to 1943, and "Großdeutsches Reich" from 1943 to 1945. Common English terms are "Nazi Germany" and "Third Reich".