...and yet the US Official History cuts off more or less at the end of December, as the Germans moved to the lesser offensive in Alsace.

'This new battle, however, would have little effect on the German forces which, on 3 January, faced the great Allied counteroffensive as it moved into high gear to flatten the Bulge and steamroller a path to and over the Rhine'. ( p.648 ).

This is one of those arguments where everyone is right...it's a little like the the argument of 'when did the Battle of Britain end ?'. In that case, aerial fighting continued over Britain for many months and the RAF pilots claim that they had no idea that the battle had 'ended'.

For the Official History ( and incidentally, in my own opinion ) the 'Battle of the Bulge' ended when the German offensive actually stopped, its' objective realised as a failure ( ie at Celles - the furthest point west ).

But I would fully expect any veteran of the January fighting to violently disagree with this !

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"Stand by to pull me out of the seat if I get hit" - Guy Gibson