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Martin Luther posts 95 Theses on church door in Wittenberg.
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Luther condemned as heretic excommunicated by Pope.
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Luther given refuge from Catholic Church in Wartburg Castle.
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Henry the VIII, King of England, becomes head of Anglican Church (a.k.a. Church of England).
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John Calvin, a French theologian, published Institutes of the Christian Religion.
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Calvin invited to lead Protestant church in Geneva, Switzerland.