Collection of facts about Vikings

This post is a collection of facts about Vikings (8th - 11th centuries AD). There are 8 facts listed below. Source: Wikipedia

• Seafaring people from Scandinavia
• Sailed to Mediterranean, North Africa, Middle East, Greenland, North America, Eastern Europe
• Spoke Old Norse and influenced English language
• Practiced Old Norse religion and later became Christians
• Known as Varangians in Eastern Europe
• Established Kievan Rus'
• Established Duchy of Normandy and descendants were Normans
• Provided security for the Byzantine emperor and later attacked Constantinople