I. Europe

Sabbatarians is a collective designation for various Christian groups in the context of Bible-oriented reform and revival movements; their common characteristic is observance of the Sabbath on the seventh day of the week (“Saturday Sabbatarians”). In English Puritanism (Puritans), advocates of strict Sunday observance could also be called Sabbatarians (“Sunday Sabbatarians”). Besides small medieval groups like the 12th-century Passagini in northern Italy, Sabb…