Pope John IX was the head of the Roman Catholic Church from 898 to 900 AD. He is best known for his efforts to restore order within the Church after a period of political turmoil and corruption. His papacy focused on addressing issues related to the Cluniac Reforms, which aimed to improve monastic life and reduce the influence of secular leaders over the Church. During his time as pope, John IX also worked to strengthen the authority of the papacy. He convened a synod to address various theological disputes and reaffirmed the importance of the Apostolic Succession, which emphasizes the continuity of Church leadership from the apostles to the present day.