Complex sentence: The Kingdom of Asturias was a Christian political entity in the Iberian peninsula established by the Visigothic nobleman Pelagius in 718 following the collapse of the Visigothic kingdom after Islamic conquest of Hispania.
Split into simpler sentences: The Kingdom of Asturias was a Christian political entity in the Iberian peninsula founded by the Visigothic nobleman Pelagius. It was established in 718 following the collapse of the Visigothic kingdom after Islamic conquest of Hispania.