As Queen Mary 2 prepares to join Sail4th 250 this July – celebrating America’s 250th anniversary in New York Harbor – Cunard is inviting travelers to become part of its next historic milestone at sea. The British luxury cruise brand has launched a sweepstakes* to celebrate Queen Mary 2’s historic 450th Transatlantic Crossing this November – a voyage that continues Cunard’s enduring legacy of connecting the United Kingdom and the United States through ocean travel.