Home / Witnesses of the Holocaust: Liberator, Rescuer, Resistor, Nazi – in their own words. / Dachau Liberation Photos By Lt. William CowlingDachau Liberation Photos By Lt. William Cowling CreatedApril 20, 2015April 20, 2015 Go back to Report From Dachau Liberation or LiberatorsOverview of Dachau: April 28, 1945.