From The war that saved Europe from Communism, from a hundred years ago. Here’s the conclusion from a book written by the English ambassador to Poland at the time the battle took place.

Had the Poles “failed to arrest the triumphant advance of the Soviet Army at the Battle of Warsaw, not only would Christianity have experienced a dangerous reverse, but the very existence of western civilisation would have been imperilled.”

Just as the Battle of Tours “saved our ancestors from the Yoke of the Koran”, he concluded, had the Poles “failed to arrest the triumphant advance of the Soviet Army at the Battle of Warsaw, not only would Christianity have experienced a dangerous reverse, but the very existence of western civilisation would have been imperilled.”

Just as the Battle of Tours “saved our ancestors from the Yoke of the Koran”, he concluded, so the Battle of Warsaw saved Western Euro
had the Poles “failed to arrest the triumphant advance of the Soviet Army at the Battle of Warsaw, not only would Christianity have experienced a dangerous reverse, but the very existence of western civilisation would have been imperilled.”

Just as the Battle of Tours “saved our ancestors from the Yoke of the Koran”, he concluded, so the Battle of Warsaw saved Western Europe from “a far more subversive danger – the fanatical tyranny of the Soviet.”

Here’s the movie with subtitles:

Not to mention the Battle of Vienna, 1683.