Pope John X served as the head of the Roman Catholic Church from 914 to 928 AD. He was born in Rome and became a pope during a tumultuous period marked by political instability and conflict within the church. His papacy is noted for efforts to strengthen the church's authority and influence in Italy. During his time as pope, John X faced challenges from various factions, including the powerful Theophylact family. He is also remembered for his support of the Byzantine Empire and for promoting the interests of the church in the region. His reign ended when he was deposed and possibly murdered, reflecting the violent power struggles of the era.