Task: Text Simplification
Input (English): in 1438 trevi passed under the temporal rule of the church as part of the legation of perugia , and thenceforth its history merges first with that of the states of the church , then -lrb- 1860 -rrb- with the united kingdom of italy.
Output (English): in 1438 trevi passed under the non spiritual rule of the chruch as a part of the diplomacy of perugia . from then onwards its history combined with that of states of the church first . afterwords it was with the united kingdom of italy , which was in the year 1860.