Sacco di Roma (Chaos)

Prehistory
In the 15th century, the had landed on the Italian peninsula and conquered most of  in the. During 1459-61, Naples was completely subjugated by the Seljuks. Everyone fears that the would be attacked next. The helpless pope fled to, as did king Charles /.

The event
In 1466, the infamous Sacco di Roma happened. The Seljuks invaded and smashed the outnumbered papal troops.

Aftermath
In the following years, the church lost a lot of power to the various state governments (whether monarchical, republican or something in between). - sent troops to Italy to fight for the pope.

1472: After lots of fighting, the Seljuks kept Latium, calling themselves from now on "rulers of both Romes". Despite the fact that the sultan was disappointed how insignificant Rome has become. The eastern parts of the Papal states become the Duchy/Protectorate of the, theoretically still under the pope, de facto under the duke of Alba (Castille). Although noone said it aloud, the pope and the other church leaders were quite content in Avignon and didn't care that much about Rome anymore.