text: This man replaced his nephew to personally lead troops at the siege of Mirandola.
full_question: This man replaced his nephew to personally lead troops at the siege of Mirandola. Upon taking power, he declared the Borgias' tombs "must be opened" and their bodies sent back to Spain. This man formed the a league to fight the Doge and established the permanent hire of Helvitian mercenaries funded by the Fuggers in the Holy See. For 10 points--name this "Warrior Pope" who commissioned Michelangelo to paint the ceiling of the Sistine Chapel.
first_sentence: This man replaced his nephew to personally lead troops at the siege of Mirandola.