978 - Failed settlement in Greenland

Skull of a Nordic in Greenland
An attempt to settle Gunnbjørn’s skerries a group of islands near Greenland. The attempt was led by Snaebjorn Galti and it ended in a disaster.
Outdoor food supply ruin in Greenland
At the battle of Cathair Cuan Brian Boru defeated the Vikings of Limerick and Ivar of Limerick was killed.
Vladimir ruled the Rus until 1015. Yaroslav the wise was born