Note 239 — Chapter XX · RELIGION.—WORSHIP, SACRIFICES, ETC.
Reading edition
In the account of Fornmanna Sögur about the battle of Svold, Eirik jarl is said to have had Thor in the prow of his ship. “He took it away and put the cross instead, which he did on the advice of Olaf Tryggvason,” otherwise he would not get the victory.