Battle of Fimreite
The Battle of Fimreite ( Norwegian: "Slaget ved Fimreite" ) was a naval battle fought on 15 June 1184 between King Magnus Erlingsson and the Birkebeiner pretender Sverre Sigurdsson . 
<triplet> Battle of Fimreite <subj> 15 June 1184 <obj> point in time