Final answer:
Europe faced military conquests by Islamic forces, Christian forces during the Reconquista, and invasions by Arab Saracens, Magyars, and Vikings.
Step-by-step explanation:
Europe faced several military conquests from 600 C.E. to 1450 C.E. Some of these conquests include:
- The Islamic conquest of Europe, which continued until 732 C.E. with the Battle of Tours where Christians defeated Muslim forces.
- The Reconquista, a major Christian holy war in Spain, which slowly pushed Muslims out of the region.
- Invasions by Arab Saracens, Magyars, and Vikings in different parts of Europe.