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When did Julius II open the Fifth Lateran Council?
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Julius II
Julius II, contemporary medallion; in the coin collection of the Vatican Library.
Pope Julius II opened the Fifth Lateran Council in May 1512 at the Lateran Palace in Rome.1
He convened this 18th ecumenical council primarily as a response to a schismatic council summoned at Pisa by a group of cardinals who were hostile toward his papacy. The council, which lasted until 1517, focused on church reform, the restoration of peace among Christian rulers, and the repudiation of claims that church councils held authority superior to that of the pope.21