Norse Knarr

The knarr was the Norse ocean-going cargo ship of the Viking Age, broader, deeper, and higher-sided than the longship, built to carry trade goods and settlers across the open North Atlantic. Relying mainly on a single square sail rather than oars, it carried livestock, timber, and supplies on the routes that colonized Iceland, Greenland, and, briefly, Vinland in North America around 1000 CE. The Skuldelev 1 wreck at Roskilde is a well-preserved knarr and the basis for sailing reconstructions.