There are three single-letter words. They are the article a, the pronoun I, and the interjection O. The pronoun I and the interjection O are always capitalized, but the article a follows normal ...
Possible Duplicate: Capitalisation of nouns in English in the 17th and 18th centuries I was looking up an article of the constitution of the United States of America, and I noticed in the ...
Is it true that until the Civil War we did not capitalize the U in United States?
The popular consensus around the web (i.e., Wikipedia) seems to be that "upper case" and "lower case" originate from typesetting convention of upper and lower drawers for letters, possibly preceded by ...