Religion: Cuius Regio

In Europe it was once common to convert whole peoples, by main force, from one Christian faith to another, on the historic principle of Cuius regio, eius religio ("whose rule, his religion"). Long in disuse, this principle was last week once again being honored in eastern Europe. The rule was Poland's, the religion, Roman Catholicism. Or so it was loudly and plausibly charged by those who were undergoing the "conversion"—7,000,000 Ukrainians in southeastern Poland.

Poland has some 24,000,000 Roman Catholics, nearly 75% of its population. Like most east-European nations, it has also an autonomous Orthodox Church and a Greek Catholic or "Uniat"...

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