The conventional answer is Islamic and Christian people fought against each other. Most of the wars between Muslims and Christians were in Spain, but they also happened in Sicily, Italy, the Balkans and elsewhere.
But there were also wars between Christians and pagans throughout most of the Middle Ages.
There were wars between Catholic leaders of the Crusades and the Eastern Orthodox, and there were crusades against various heretical groups.
yours and mine
muslim and catholics
Catholics and Muslims
Christians and Muslims !
Islam and Christianity
Christian and Muslim
Christian and Muslim
Who invaded Europe during the middle ages
In medieval Spain, after the Muslim invasion and conquest, which began in 711, Christians, from the North, fought against Muslims, from the South.
The period of time from 500 AD to 1500 AD is called the Middle Ages.
No, that is the Renaissance AFTER the Middle Ages
Europe