The First Lateran Council was an important assembly of the Roman Catholic Church held in 1123 in the Lateran Palace in Rome. It was convened by Pope Callixtus II and aimed to address various issues within the Church, including the investiture controversy, which involved the appointment of bishops and abbots. The council sought to establish the authority of the papacy over these appointments. During the council, several key decrees were made, including the affirmation of the Church's independence from secular powers. The council also addressed issues of clerical marriage and the need for reform within the clergy. Overall, the First Lateran Council played a significant role in shaping the governance of the Church.