ˌɔn tˈɛn dʒˈænjuːˌɛɹi nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi θɹˈiː dˈɛm bɪkˌeɪm ɐ kəmˈændɚɹ ʌvðə fˈɪfti nˈaɪnθ pˈænzɚɡɹˈɛnɐdiɚɹˈɛdʒɪmənt ʌvðə twˈɛntiəθ pˈænzɚ dᵻvˈɪʒən ænd lˈɛd hɪz jˈuːnɪt θɹuː ðə blˈʌdi bˈæɾəlz ɔnðɪ ˈiːstɚn fɹˈʌnt ʌntˈɪl twˈɛnti fˈaɪv dʒuːlˈaɪ nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi fˈoːɹ ˈɔːɹəl, bˌiːˈɑːɹdʒˈænsk, mˈɑːdʒaɪlˌuː, wˈaɪtbsk, nˈuːəl, bˈɑːbɹuːˌɪsk, kˈoʊm.
On 10 January 1943 Demme became a Commander of the 59th Panzer-Grenadier-Regiment of the 20th Panzer Division and led his unit through the bloody battles on the Eastern Front until 25 July 1944 (Orel, Brjansk, Mogilew, Witebsk, Newel, Bobruisk, Cholm).