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.
NASCAR was formed on February 21, 1948. On December 14, 1947 talks began at the Ebony Bar at the Streamline Hotel at Daytona Beach between Bill France and other racers. June 19, 1949 Charlotte Speedway marked the first race, a 150 mile event.