User blog comment:Jimeee/Skyrim 1.9 beta update adds Legendary difficulty and raises level cap (Updated Apr 8th)/@comment-98.193.152.141-20130305201117/@comment-3444868-20130307095805

Bethesda started working on Fallout 3 in 2004 but didn't put their weight into it until after Oblivion in 2006

Fallout 3 2008

Fallout: NV 2010