THE DACHAULIED
22 March 1933    The opening of Dachau, the first concentration camp built by Nazi Germany.

Dachau concentration camp from Wikipedia   https://en.wikipedia.org/wiki/Dachau_concentration_camp    

Various recordings of “Dachaulied “ on YouTube https://www.youtube.com/results?search_query=Dachaulied
Dachaulied – Sung in English and German     https://www.youtube.com/watch?v=O_nDFdCCGhU
MUDCAT: Lyr Add Dachau Song (trans. from German please)    </mudcat.org/thread.cfm?threadid=59251

Thank you for suggesting this Felipa