 Nyorai kupfuurira kweiyi ndima - Pashure pokurambidzwa kwehondo muna 1918kupedza hondo, Mackensen akaramba ari muuto zvino Reichswehr yeWeimar Republic kwaakashanda semukuru we1st squadron ye5th Prussian Rider Regiment muBelgard, asi muna 1919 akabatanawo nerudyi-mapapiro Freikorps paramilitary boka uye akarwa muBaltic nyika. Muna 1925, Mackensen akarayira dhipatimendi rekutakura mauto reGerman General Staff yeBazi reReichswehr muBerlin. Pashure pokugadzwa kwake somukuru musi waFebruary 1, 1928, akashanda kubva muna 1930 muvashandi ve1st Cavalry Division muFrankfurt Oder, uye achishanda munzvimbo iyi akasimudzirwa musi waOctober 1, 1932, kuti ave lieutenant colonel 