Capitalize:
- The first word of a sentence, of a line of poetry, of a direct quote.
- The days of the week, months of the year, and holidays (but not seasons).
- Proper names of persons, places, and things; trade names and commercial products; the names of geographic regions, continents, nations, cities, bodies of water, streets, languages, government agencies, specific landmarks, streets, buildings, works of art, religious groups, companies, holidays; educational institutions, degrees, courses, and academic departments; and acronyms.
- Titles that appear before a proper name, e.g., “President George W. Bush” and abbreviated titles appearing after a name, e.g., "John Smith, CEO."
- Titles of books, magazines, CDs, films, white papers, etc. Do not capitalize articles, prepositions, and conjunctions unless it is the first word of the title.
