Claim: Gatchina was known as Trotsk from 1923–1929 under the Soviet Union, and was known as Lindemannstadt from 1941–1944 under Nazi Germany (officially known as the German Reich until 1933).
Evidence: Nazi Germany, officially known as the German Reich until 1943 and Greater German Reich in 1943–45, was the German state between 1933 and 1945, when Adolf Hitler and the Nazi Party controlled the country which they transformed into a dictatorship.