Olaf Tryggvason

Olaf Tryggvason (960s—c. 1000), was a Viking king of Norway (995–c. 1000), much celebrated in Scandinavian literature, who made the first effective effort to Christianize Norway.

External links

Encyclopedias

• Encyclopedia Britannica: Olaf Tryggvason
• Encyclopedia Britannica 1911 Edition: Olaf Tryggvason
• Encyclopedia.com: Olaf I Tryggvason, King of Norway