Complex sentence: When Corrado Trinci went against the church, Pope Eugene IV sent a force against Foligno in 1439, led by the fearsome Cardinal Giovanni Vitelleschi: the inhabitants opened their gates and Corrado was beheaded in 1441 in the castle of Soriano.
Split into simpler sentences: When Corrado Trinci went against the church, Pope Eugene IV sent a force against Foligno in 1439, led by the fearsome Cardinal Giovanni Vitelleschi. The inhabitants opened their gates and Corrado was beheaded in 1441 in the castle of Soriano.