This cruise ship, laid down on December 2008 is 50mm longer than a cruise ship laid down on what date?
MS Oasis of the Seas:  Her hull was laid down in November 2007 and she was completed and delivered to Royal Caribbean in October 2009. MS Allure of the Seas:  s of 2016 the "Oasis" class were the largest passenger ships ever in service, and "Allure" is 50 mm longer than her sister ship "Oasis of the Seas" , though both were built to the same specifications.
i don't know