THE PLAZA DE TETUÁN
The Plaza de Tetuán is a song having its origin in the Spanish-Moroccan war of 1859-1860. The song achieved great popularity on the Republican side during the civil war, 17 July 1936 – 1 April 1939, owing to the participation of Moroccan contingents on Franco's side .

Del día seis de febrero
nos tenemos que acordar.
Entraron los españoles
en la Plaza de Tetuán.

“ La Plaza de Tetuán”, various recordings on YouTube     https://www.youtube.com/results?search_query=La+plaza+de+Tetu%C3%A1n+song