Conflict often developed between

and the pope over how much influence the pope had over choosing local church officials.

Various conflicts throughout history have arisen between secular rulers, such as kings or emperors, and the pope over the issue of papal authority in appointing local church officials. These conflicts typically revolve around the extent to which the pope can exercise his influence over the selection and appointment of bishops, archbishops, and other clergy in different regions.

One prominent historical example is the Investiture Controversy, which took place during the 11th and 12th centuries between the Holy Roman Emperor and the papacy. The controversy emerged as both parties claimed the right to appoint and invest bishops with symbols of temporal power, such as the ring and staff. Emperor Henry IV, seeking to maintain control over the appointment process, clashed with Pope Gregory VII, who sought to assert papal authority in matters of church governance. The conflict escalated and resulted in excommunications, the deposition of the emperor, and various power struggles between subsequent emperors and popes.

Another significant conflict occurred during the Middle Ages between King Philip IV of France and Pope Boniface VIII. In an effort to exert control over the French clergy and their financial contributions, Philip IV sought to tax the clergy and nominated royal candidates for important church positions. However, Pope Boniface VIII issued the papal bull, Clericis laicos, which prohibited the taxing of the clergy without papal consent and emphasized papal primacy in ecclesiastical appointments. This conflict led to the famous confrontation between Boniface VIII and Philip IV over the pope's authority, ultimately resulting in the arrest and mistreatment of the pope by the French king.

These conflicts between secular rulers and the papacy were often manifestations of a power struggle between temporal and spiritual authorities, each vying for control over the selection and appointment of clergy. The disputes highlighted the papacy's claim to independent spiritual sovereignty and the secular rulers' desire to influence and control the appointment process for political and economic reasons. Throughout history, these conflicts often led to significant political, religious, and social repercussions, shaping the relationship between church and state.