11th

web:
http://www.history.com/video.do?name=christmas&bcpid=2647858001&bclid=1675979322&bctid=1586348684


unknown words

①christmas
the annual festival of the Christian church commemorating the birth of Jesus: celebrated on December 25 and now generally observed as a legal holiday and an occasion for exchanging gifts.

②holiday
vacation, break

③merry
happy, blithe, blithesome, frolicsome, cheery, glad. See gay.
jolly, jovial, gleeful

④origin
root, foundation. 4. birth, lineage, descent

⑤history
record, annals. See narrative




history.com was fun.