A pronoun is a word that takes the place of a noun. Examples: he, she, it, they, someone, who. Pronouns can do all of the things that nouns can do. They can be subjects, direct objects, indirect objects, object of the preposition, and more. Heck, the word pronoun even has the word noun in it! Let's look at a few examples. Erik Weihenmayer is a blind mountain climber.
On October 1, 1945, Project RAND was set up under special contract to the Douglas Aircraft Company and began operations in December 1945, expending a total of $640 in its first month of operation.
Tires were the first item to be rationed by the OPA, which ordered the temporary end of sales on 11 December 1941 while it created 7,500 unpaid, volunteer three-person tire ration boards around the country. By 5 January 1942 the boards were ready.