Biography:Best remembered for granting indulgences for those who donated to reconstruct St. Peter's Basilica, which practice was challenged by Martin Luther's 95 Theses.
Lex X did not take seriously the array of demands for church reform and thus they quickly grew into the Protestant Reformation.
1517-03-16 Pope Leo X holds the last session of the Fifth Council of the Lateran, convoked to restore peace between Catholic rulers and assert the authority of Pope
1521-01-03Martin Luther is excommunicated by Pope Leo X from the Roman Catholic Church for failing to recant parts of his Ninety-five Theses which started the Protestant Reformation
Benedict XVI
Innocent IV
Leo XIII
Paul IV
Pius VII
Pius XII