1.the christians go to a church to pray.
2.christmas is celebrated on twetififth december.
Proper nouns ( names of specific things) are always capitalized. The first word in a sentence is always capitalized.
http://owl.english.purdue.edu/owl/resource/592/01/
This site will give you all the rules.
The second sentence needs to read "on the twenty-fifth of "
I hope this helps.
is this sentance correct_
She also has a wonderful relationship with her husband, but for some reason she decides to escape from her home.