Arguing that the emperor could be present during the election of bishops and abbots, FTP, identify this 1122 agreement between Calixtus II and Holy Roman Emperor Henry V that sought to end the struggle over lay investiture.
It decreed that kings should not be anointed on their heads, and that chrism should be reserved for church ceremonies. The distinction betwen regalia, granted through the lance, and spiritualia, received through the ring and staff, was based on an earlier settlement between Paschal II and the English king. At the request of the archbishop of Mainz, its decisions were confirmed by the First Lateran Council the following year.  Arguing that the emperor could be present during the election of bishops and abbots, FTP, identify this 1122 agreement between Calixtus II and Holy Roman Emperor Henry V that sought to end the struggle over lay investiture.
It decreed that kings should not be anointed on their heads, and that chrism should be reserved for church ceremonies.
Concordat of Worms (do not accept "Diet of Worms" as that name is traditionally attributed to a 1521 meeting concerning Martin Luther)