Cunard’s ocean liner Queen Mary 2 takes part in New York Harbour’s maritime celebrations marking the 250th anniversary of American independence on July 4, 2026. According to PR Newswire, the ship is one of 46 tall ships arriving from 20 nations for the event. The report describes Queen Mary 2 as the world’s only operating ocean liner, positioning it as a focal vessel during the harbour programme connected to the anniversary festivities. The coverage does not provide additional details on specific performances, ceremonies, or passenger activities beyond the ship’s inclusion among the international fleet entering the harbour. The sources also do not dispute figures or provide further context on the organisers or schedule of the celebration. Overall, the reporting aligns on the central points that Queen Mary 2 sails into New York Harbour as part of a multi-nation tall-ship gathering timed to America’s 250-year milestone.