himself - Cloth Fionn (Dearborguill, dau of King of Denmark, parents of Crimthann) 4 BC - AD 73) Lugaide Riab nDerg (Lughaidh Riebdearg) 'of the Red Stripes' MBKQ T109 r65-73 k. Geologically, 'Norway is mountainous, Sweden is flatter, w/farmland and forests, Denmark is dotted w/100s of small islands' (VT p8). Frisia 570), during the Viking Age (800-1100 AD) this activity exploded, as Danish Vikings invaded Frisia, Britain and Normandy. Though the Danes had done some earlier raiding (e.g. From 600-800 AD, kingdoms developed in Denmark, Norway and Sweden.