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What were Boniface VIII’s significant achievements during his papacy?

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Pope Boniface VIII (reigned 1294–1303) published the Liber sextus (“Sixth Book”) of the Corpus juris canonici (Corpus of Canon Law) and instituted the first Holy Year in 1300. His most consequential achievement was the papal bull Unam sanctam (“One Holy”; 1302), which proclaimed the primacy of the pope and insisted on the submission of the temporal to the spiritual power.