the Wise over Charles I of Spain in the election for Holy Roman Emperor, and worked to stop the Fifth Lateran Council which started a year before his election.  
This founder of the League of Mechlin was able to repeal the Pragmatic Sanction of Bourges by signing the French Concordat with the winner at the Battle of Marignano, although that ceded Parma and Piacenza from papal control.  Cardinal Riario was forced to pay the absurdly high fine of 150,000 ducats after he was implicated in a plot that sent a physician to try to kill this man, and Alfonso Petrucci was also strangled by a Moor for his involvement in that plot.  One of his most prized possessions, a gift from Manuel I of Portugal, was made to bow three times before him and spit water at him.  Besides that white elephant named Hanno, this pope supported Frederick ? the Wise over Charles I of Spain in the election for Holy Roman Emperor, and worked to stop the Fifth Lateran Council which started a year before his election.  A more serious problem for this pope was not rectified by the bulls Exsurge Domini or Decet Romanum Pontificem, both targeted at Martin Luther.  For 10 points, name this Renaissance Pope, the successor of Julius II who was originally known as Giovanni de' Medici.
This founder of the League of Mechlin was able to repeal the Pragmatic Sanction of Bourges by signing the French Concordat with the winner at the Battle of Marignano, although that ceded Parma and Piacenza from papal control.  
{Leo X} (accept {Giovanni} de' {Medici} before mentioned)