PITTSBURGH (KDKA) -- Pittsburgh will honor those who have served with its annual Veterans Day Parade on Monday. The parade, which is one of America's longest-running since 1919, is set to begin at 10:30 a.m. on Liberty Avenue. The parade marches to the reviewing stage at Fifth and Liberty avenues before ending at Commonwealth Place.

This year's parade theme was Korean War veterans. The grand marshal was 94-year-old John Defilippo, of Canonsburg, who was awarded the Purple Heart after being hurt during the Battle of Heartbreak Ridge.

Pittsburgh Regional Transit’s administrative offices and Downtown Service Center will be closed on Veterans Day. Buses will operate regular weekday service, but several routes will be detoured for the parade. Detours are expected to begin around 9 a.m. and finish around 2:30 p.m. Find details about detours for specific bus routes here.

Pittsburgh's Veterans Day parade is one of the largest and oldest continuous veterans parades in the nation dating back to 1919.

Today is the day we salute our veterans and thank for them their service and keeping America free, thanks to brave. Many businesses around Pittsburgh are offering Veterans Day deals to members of the military.

Active and retired military members can eat for free at a beloved Pittsburgh-based sandwich restaurant on Veterans Day.

A decorated Korean War veteran from Canonsburg has been chosen to serve as the grand marshal of the Pittsburgh Veterans Day Parade. John DeFillipo, 94, said he was honored to ride in the parade, which will step off at 10:30 a.

The City of Hampton held its first Veterans Day Parade Saturday morning showcasing local veterans organizations.