I would say New Year's Eve, but that doesn't really count.
Other than Christmas and New Year's Day itself I would say they aren't any U.S. holidays between those two. Tight gap. About 2 weeks apart.
For the answer to the question above. I believe the answer is "CONCEPT". for Concepts are fundamental building blocks of our thoughts and beliefs. It plays an<span> important role in cognition process.
I hope my answer helped you. Have a nice day!
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