New Orleans Celebrates Tricentennial with ceremony in Jackson Square https://t.co/uDAOeZJZ5S pic.twitter.com/mSW9aFe9u6 — NOLA 411 (@nola411) April 25, 2018 New Orleans celebrates tricentennial with ceremony in Jackson Square https://t.co/uDAOeZJZ5S https://t.co/mSW9aFe9u6