Advertising Week rated this their Ad of the Day, and for good reason, when British chocolates company Sainsbury enlisted the help of military historians from the British Royal Legion --- added a cast of hundreds --- and some marvelous photography and editing --- to tell the story of how "Christmas is for sharing."
Sainsbury's OFFICIAL Christmas 2014 Ad (http://www.youtube.com/watch?v=NWF2JBb1bvM#ws)
Two related items here as well:
The making of this commercial = Sainsbury's Christmas 2014 - The making of our Christmas ad (http://www.youtube.com/watch?v=Jx3pQWbysmM#ws)
Sainsbury's Christmas - The story behind our Christmas ad (http://www.youtube.com/watch?v=2s1YvnfcFVs#ws) also has more of the 1914 incident.
Wow! Good stuff!