source: In the 5th century Slaves started to move in the area
target: In the 5th century Slavs started to move into the area.
references: In the 5th century Slavs started to move into the area. In the 5th century the Slavs began moving in. Slovs came to the area in the fifth century. Slavs moved into the area in the 5th century. In the 5th century Slavs started to move into the area. In the 5th century Slavs started to move into the area. In the 5th century Slavs started to move into the area.