Long-ships were ships made and used by the Vikings to raid coastal and inland settlements during Viking time. The vessels were also used for long distance trade and commerce, and for exploratory voyages to Iceland, Greenland, throughout the mediterranean etc. Longship design evolved over several centuries and was fully developed by about the 9th century. The character and appearance of these ships have been reflected in Scandinavian boat-building traditions until today. The average speed of vik… (More on Longship)