Complex sentence: There was a short break from 19 June 1944 to 1 July 1944 when Lieutenant-General ("Generalleutnant") Edmund Hoffmeister commanded the tank corps during the first stages of Operation Bagration.
Split into simpler sentences: There was a short break in his command from 19 June 1944 to 1 July 1944. During this break, Lieutenant-General ("Generalleutnant") Edmund Hoffmeister took over for the first stages of Operation Bagration.