10 Things You Didn't Know About Fallout 4
4. A Very Fallout Christmas
One of the most populated settlements the player will encounter throughout their travels in the Commonwealth is Diamond City. Much like other makeshift municipalities in the series, Diamond City was born out of a need for protection for humans who hadn't been afforded the ostensible safety of Vault Tec's vaults.
As a burgeoning settlement, the pre-war Fenway Park has evolved into one of the more civilized spots in the irradiated wastes, complete with a radio station, law and order, and even a free press.
With that in mind, it's not surprising that the citizens of Diamond City like to celebrate the holiday season just as much as we do. So, if the player enters the settlement when the in-game clock is set to December 25, the marketplace will be decked out in festive decorations complete with lights and Christmas trees.