Board Thread:Warhammer 40k General Discussion/@comment-26165786-20150304163255/@comment-6078851-20150416132503

it seems the dark angels and space wolves dislike each other more than their respective primarchs did: after the 'disagreement' betwen jonson and russ, which created the initial hostility between their legions, they made up and did indeed respect each other, and worked well together.

but in the many years since then it seems like the 2 chapters have forgotten that the hostility between their primarchs was fairly short-lived, and they now maintain considerable animosity towards each other.