1. A capital letter is used for the first word in a sentence.
The soldier decided to desert his dessert in the desert.2. Every proper noun begins with a capital letter. A proper noun is a noun that names a particular person, a particular place, or a particular thing. The following are proper nouns:
The name of a person -- Patrick Coleman, Anne White3. An abbreviation begins with a capital letter when a capital would be used if the word were written in full.
Dr. John Warren Dawes moved to Ohio.4. An initial is always written with a capital letter.
President John F. Kennedy was assassinated in 1963.5. The principal words in titles of books, plays, poems, pictures, and compositions are written with capital letters.
"America for Me" was written by Henry Van Dyke.6. The first word in a direct quotation is always written with a capital letter.
A direct quotation is the use of the exact words of a speaker. Even if the quotation begins in the middle of the sentence, the first word of the quotation is written with a capital letter.
Adapted from Voyages in English - Fifth Year, by
Rev. Paul E. Campbell and Sister Mary Donatus MacNickle. Chicago: Loyola University Press, 1943.