From 985 to 1000, these people explored Newfoundland and Greenland.
A legendary member of these people was invited to Novgorod in 860 CE and founded the Rurikid dynasty. European courts learned about these people after a group of them destroyed the monastery at Lindisfarne. The Varangians were an Eastern branch of these people, who fought using (*) dragon-headed longships and berserkers. From 985 to 1000, these people explored Newfoundland and Greenland. For 10 points, name these people whose leaders included Leif Eriksson and Erik the Red, who are traditionally depicted wearing horned helmets.
A legendary member of these people was invited to Novgorod in 860 CE and founded the Rurikid dynasty.
{Vikings} [accept {Varangians} until "{Lindisfarne}" is read]