Complex sentence: Historians believe that Vikings sailed up the River Severn and fought against the Anglo-Saxons in 894 AD and that King Alfred the Great fought the Vikings in a bloody battle at Minchinhampton, about 10 miles from Arlingham.
Split into simpler sentences: Historians believe that Vikings sailed up the River Severn and fought against the Anglo-Saxons. In 894 AD and that King Alfred the Great fought the Vikings in a bloody battle at Minchinhampton, about 10 miles from Arlingham.