If you are referring to the night of Halloween, or Halloween night, night is not capitalized. If you are referring to the movie Halloween Night, then night is capitalized as it is the name of a movie.
Halloween is capitalized because it's a proper noun. Happy is usually capitalized with it, as it often starts the greeting or sentence.
Yes. Halloween is a holiday, and therefore a proper noun, so just like Christmas, Easter and New Years, Halloween must too be capitalized.
No. It is a pronoun and unless you start the sentence with it there is no capitalization.
No, "Halloween" does not need to be capitalized unless it is at the beginning of a sentence or part of a title.
No, "Halloween parade" and "party" should only be capitalized if they are the first words in a sentence or part of a title.
Imagine you are walking through a graveyard on Halloween night. Explain what you might see and how you might feel.
yes
Dodgeball is capitalized if it starts the sentence. But if dodgeball is used in the middle of a sentence it is not capitalized.
Yes, "Christmas Eve" should be capitalized in a sentence as it is a proper noun referring to the night before Christmas Day.
They are not proper nouns. They would not be capitalized in a sentence.
Yes, "PC" should be capitalized in a sentence.
No, the word forecast should not be capitalized in a sentence.