Good summary here of the facts of history
National Catholic Register, Angelo Stagnaro: Anti-Catholics, in their anger and deep-rooted desire to convince everyone they’re right about all things, all the time, (i.e., omniscient) would have people believe that:
are greater than
all wars every fought since mankind differentiated as a species including all of the atheist-inspired ones (e.g., the Reign of Terror, the Cristero Wars, the Napoleonic Wars, the Shining Path, Sino-Vietnamese War, Korean War, Chinese Civil War, Guatemalan Civil War, Spanish Civil War). Full article is here.