11 September 1973 -   A miltary coup in Chile overthrew of the Popular Unity government of President Salvador Allende.

SONGS ABOUT SALVADOR ALLENDE
ALLENDE’S SONG  -   Ewan MacColl and Peggy Seeger https://www.youtube.com/watch?v=Rf-mFVjjpIA
ELEGÍA A SALVADOR ALLENDE  - Many recordings on YouTube https://www.youtube.com/results?search_query=Eleg%C3%ADa+a+Salvador+Allende
VENCEREMOS -   Salvador Allende's Campaign Song     https://www.youtube.com/watch?v=ccKrpnZdSTc
A SALVADOR ALLENDE   -  Óscar Chávez     https://www.youtube.com/watch?v=BpyTGx5p78w
ALLENDE PRESIDENTE  -   Angel Parra     https://www.youtube.com/watch?v=40DDjgriXSc
COMRADE PRESIDENTE SALVADOR ALLENDE     https://www.youtube.com/watch?v=r7iQjgbe8JI
CANCIÓN DEL PODER POPULAR - Conjunto Viento del pueblo  -   https://www.youtube.com/watch?v=CZAmdsweux0
ALLENDE by Don Lange. Sung by Christy Moore     https://www.youtube.com/watch?v=M7k5kM7ALoM
Allende by Don Lange. Sung by Kevin Kennedy     https://www.youtube.com/watch?v=vx2Ws-74DtU
Mudcat:song about Allende     /mudcat.org/thread.cfm?threadid=172644&messages=2

1973 Chilean coup d'état from Wikipedia    https://en.wikipedia.org/wiki/1973_Chilean_coup_d%27%C3%A9tat