[7] During the May Days of 1937 in Barcelona, she took part in the armed confrontations against the Stalinists,[6] defending the Casal (the house of working-class women) run by the libertarian activist Amparo Poch y Gascón.

"[7] In January 1939, she fled into exile in France, where she continued her work for the SIA in Perpignan and then in Béziers, where she tried to rescue internees from the camps, including her companion Jesús Guillén Bertolín.

During the Nazi occupation of France, she was a member of the CNT group in Bram and liaised with the French Resistance in Aude, Ariège, Hérault and Haute-Garonne.

The film De toda la vida (All Our Lives) was shot there in 1986, starring Pepita Carpeña, Dolores Prat, Federica Montseny, Suceso Portales, Mercedes Comaposada and Conxa Perez.

[5] In addition to Mujeres Libres, Sara Berenguer contributed to a large number of titles in the libertarian press and several poetry anthologies.