Why is it called Christmas Eve?

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Tags

1. #ceremony
2. #birth
3. #celebrate
4. #midnight
5. #before
6. #anglicans
7. #celebrates
8. #occurred
9. #traditionally
10. #world
11. #roman
12. #catholics
13. #either
14. #church
15. #churches
16. #sometime
17. #christ
18. #begins
19. #night
20. #throughout
21. #believed
22. #which
23. #christmas