Flatiron Formation But the Veterans Day procession has long been the main event for New York when it comes to celebrating those who've served. In 2009, the parade marked its 90th anniversary. SHARE IMAGE: Download Image: Full Size (1.72 MB) Tags: Marine Corps, Veterans Day Photo By: Marine Corps Sgt. Danielle Bacon VIRIN: 091111-M-ZZ999-007.JPG Photo Gallery