In 1789, the French Revolution took place and launched a host of religious, political and social errors which the Popes for over 160 years afterwards wrote and legislated against. Yet most of these errors have spread and today have filtered down to the common man... with the result that most people now take for granted many fundamental assumptions that are positively false! But almost from the beginning of these errors, the Popes spoke out as with one voice, inveighing against them. Today, as we see these errors bearing evil fruit, many thoughtful Catholics are returning to those Papal documents which condemned these modern errors, to examine what the Popes have said all along about them. Here, in one handy volume, are the best and most famous of those papal denunciations: