Griffin is the co-founder of the William E. Colby Seminar on Intelligence, Military, and Diplomatic Affairs at Norwich University in Vermont, along with his friend, historian, and Patton biographer Colonel Carlo D'Este.
A Viking's height could be anywhere between 66 inches 1.67 meters and 69 inches 1.75 meters. The tall ones are said to be Vikings of higher stature since they are likely to have better nutrition and eat better diets compared to the common Viking warriors. The notion that Vikings were tall people may also be because people in some parts of Europe are relatively short. This may be the reason why they might consider Vikings as people with increased height. But compared Viking's height to today's people, they are considered as people with average height.
the year ad 700, they were sailing boats that were better than any others on the ocean . The boats they built, called knarrs (kuh-NARS), were used mostly for trading . These boats were up to 16 .5 meters (54 ft) long and 4 .5 meters (15 ft) wide . Because they were flat bottomed, the knarr boats could carry heavy loads . They were also stable and could travel safely across the open ocean . Viking explorers were willing to travel into the unknown to claim new lands and seek adventure . They were also the first Europeans to visit North America . Vikings also built warships known as longships .