I can recall only three instances of Christmas being mentioned in Trek.
The first is in TOS' "Dagger Of The Mind" where there is reference to a ship's Christmas party. This little bit does tell us that at least some of humanity still celebrates Christmas in the future.
The next reference, albeit indirect, is in a TNG episode (I can't recall which one) where Data is playing Scrooge on the holodeck. Christmas isn't actually mentioned, but the fact that Data is participating in a holodeck version of Dickens' A Christmas Carol suggests Christmas might still be around.
The third reference, and the last one I know of, is in Generations where Picard imagines himself at home with a family for Christmas. This rather cements that Christmas is still celebrated in the 24th century.
Any other mentions or references?
The first is in TOS' "Dagger Of The Mind" where there is reference to a ship's Christmas party. This little bit does tell us that at least some of humanity still celebrates Christmas in the future.
The next reference, albeit indirect, is in a TNG episode (I can't recall which one) where Data is playing Scrooge on the holodeck. Christmas isn't actually mentioned, but the fact that Data is participating in a holodeck version of Dickens' A Christmas Carol suggests Christmas might still be around.
The third reference, and the last one I know of, is in Generations where Picard imagines himself at home with a family for Christmas. This rather cements that Christmas is still celebrated in the 24th century.
Any other mentions or references?