LONG BEACH, Calif.; September 28, 2009--Launched 75 years ago on September 26, 1934, the Queen Mary's rich history continues to grow with the addition of new management from Delaware North Companies Parks & Resorts, one of the nation's leading hospitality management companies, which also operates several resorts and attractions in California's Yosemite and Sequoia National Parks as well as popular destinations around the U.S. and Canada.