Step 1 : Introduction to the question "Which of these major newspapers is based in the city of Philadelphia?"
The Philadelphia Inquirer is a morning daily newspaper that serves the Philadelphia, Pennsylvania, metropolitan area of the United States. The newspaper was founded by John R. Walker and John Norvell in June 1829 as The Pennsylvania Inquirer and is the third-oldest surviving daily newspaper in the United States. The Inquirer has the eighteenth largest average weekday U.S. newspaper circulation and has won twenty Pulitzer Prizes. The Inquirer first became a major newspaper during the American Civil War.