"Main Street U.S.A. Parade". The 4th of July Celebration begins with the “Main Street U.S.A. Parade” on July 4th at 10:00 a.m. The parade starts at Ontario and Main Streets, travels down Main and concludes at Olive Street. Over 75 entries are expected to participate in this year's parade. The Celebration resumes at 4:00 p.m. beginning with a Family Festival at Santana Park. Activities include food booths, children’s “Fun Zone” and live entertainment. The formal program starts at 8:30 p.m., with a spectacular fireworks show at 9:00. Entrance is FREE! Additional information can be found on-line at http://www.discovercorona.com/Events.