4th of July Parade,The Marietta Let Freedom Ring Parade. The Cobb Bar will participate in the 4th of July Parade in Marietta. Please contact Carol Kinstle if you can provide a convertible. Bring the family for this fun event! The parade begins at 10:00 am at Roswell Street Baptist Church and travels west on Roswell Street, north on East Park Square past Glover Park and the Square, down Cherokee Street and ends at North Marietta Parkway.