Frisian's Migration

During 350 - 550 A.D. after the Roman Empire collapsed the Germanic tribes migrated to Western Europe, which formed some new tribes. The Frisians began to establish their Frisian Empire around 400 A.D. the Frisian Empire contained the coastal areas beginning from North Belgium to southern Denmark, the Frisians controlled the North Sea trade routes from Friesland to England, France, Scandinavia, and northwest Russia. The Frisian territory expanded westward to the North Sea coast and southward down to Dorestad by the late 6th and early 7th century.