10 April – A second psychiatric evaluation finds that Breivik's sane enough to face trial for the 2011 terrorist attacks and serve a prison sentence if convicted.[3]
1 May – Norwegian world swimming champion and Olympic medalist Alexander Dale Oen dies at age 26 after suffering a cardiac arrest during a training camp in Flagstaff, Arizona.[5]
^Haukås, Bente (7 May 2012). "Odd Grønmo er død". Christian Democratic Party. Archived from the original on 22 February 2014. Retrieved 21 November 2013.