<P> Henry II died in 1024 and Conrad II, first of the Salian Dynasty, was elected king only after some debate among dukes and nobles . This group eventually developed into the college of Electors . </P> <P> The Holy Roman Empire became eventually composed of four kingdoms and numerous other territories . The kingdoms were: </P> <Ul> <Li> Kingdom of Germany (part of the empire since 962), </Li> <Li> Kingdom of Italy (since 962 until 1648), </Li> <Li> Kingdom of Bohemia (since 1002 as the Duchy of Bohemia and raised to a kingdom in 1198), </Li> <Li> Kingdom of Burgundy (since 1032 until 1378). </Li> </Ul> <Li> Kingdom of Germany (part of the empire since 962), </Li>

What caused the fall of the holy roman empire