Which sentence is capitalized correctly? I learned that Thor is the god of thunder when I read a book about myths from Norway. I learned that Thor is the God Of Thunder when I read a book about Myths from Norway. I learned that Thor is the god of thunder when I read a Book about myths from norway. I learned that thor is the God of thunder when I read a book about myths from Norway.

The word capitalization refers to the use of uppercase in the first letter of a word while other letters remain in lowercase. According to grammar, capitalization should be used in the first word of a text or paragraph or after a period (.); the first person pronoun "I" and proper nouns which are words that name an individual should be capitalized including names of people, countries, companies, days of the week, territories, holidays, religions and names of deities among others. Considering this, the case of the sentence presented the words that should be capitalized are "I" which is always capitalize according to grammar, the word "Thor" because this is a proper noun or the name of a deity and the word "Norway" which is also a proper noun that describes a country. Therefore the sentence that is capitalized correctly is "I learned that Thor is the god of thunder when I read a book about myths from Norway".