The Vikings who had settled around the Baltic ... to be the grandson of Harald Fairhair. The first thing Olaf did upon becoming king was demand that all his followers be baptized.

After Alfred, Anglo-Saxon kings took the Danelaw territories back from the Vikings. Alfred's grandson, Athelstan, pushed English power north as far as Scotland and was the first king to claim to ...

In 902 AD, the Vikings, under Ivar the Younger of ... He married his daughter to Olaf Guthfrithsson, the pagan king of Viking Dublin and persuaded Owein of Strathclyde, his relative, to support ...