Innocent XIII (born May 13, 1655, Poli, near Palestrina, Papal States—died March 7, 1724, Rome) was the pope from 1721 to 1724. Of noble birth, Conti was papal ambassador to Switzerland and to Portugal before Pope Clement XI made him cardinal (1706) and bishop of Osimo, Papal States (1709). He was elected pope on May 8, 1721. In the following year he invested the Holy Roman emperor Charles VI with sovereignty over the Kingdom of...