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Events on Friday 27 June 1519 1
1519Leipzig Debate between Luther and EckA theological disputation hardens the split within the ChurchFrom 27 June to 16 July 1519, Martin Luther and his colleague Andreas Karlstadt debated the theologian Johann Eck at Leipzig over indulgences, purgatory and papal authority. Luther's willingness to question the authority of popes and councils during the debate marked a turning point, pushing him toward outright break with Rome. The debate sharpened battle lines that would define the Reformation.