CathInfo.com

Mártires: un Dios prohibido. In Spanish with subtitles available. A movie about a Spanish seminary during the Spanish cινιℓ ωαr, and its members who were ultimately martyred for the Faith.

Background info:
While the violence long preceded the failed coup of July 1936, the immediate aftermath let loose a violent onslaught on everyone that the revolutionaries in the Republican zone identified as enemies; "where the rebellion failed, for several months afterwards, merely to be identified as a priest, a religious, or simply a militant Christian or member of some apostolic or pious organization, was enough for a person to be executed without trial.  The violence consisted of the killing of tens of thousands of people, including 6,832 Catholic priests.

In recent years, the Vatican has beatified hundreds of the victims of the Red Terror (498 in one 2007 ceremony, the largest single number of beatifications in the Catholic Church's history).

"Execution" of the Sacred Heart  by a communist  firing squad is an example of "an assault on the public presence of Catholicism".  The image was originally published in the London Daily Mail with a caption noting the "Spanish Reds' war on religion".

In the US Americans were being fed communist propaganda by war correspondent Ernest Hemingway, and in the UK George Orwell who was also pro communist.

Orwell noted that: