found: Carnival Corp. website, Dec. 12, 2008(Carnival Corporation & plc; global cruise vacation company; cruise brands incl.: Carnival Cruise Lines, Holland America Line, Princess Cruises and Seabourn Cruise Line in North America; P&O Cruises, Cunard Line and Ocean Village in the United Kingdom; AIDA in Germany; Costa Cruises in southern Europe; Iberocruceros in Spain; and P&O Cruises in Australia)
found: Seabourn website, Dec. 12, 2008:about (Yachts of Seabourn, Seabourn; ultra-luxury cruises on small, yacht-like ships; founded 1987)
found: Wikipedia, Dec. 12, 2008(Seabourn Cruise Line; headquarters Miami, Fla.; owned by Carnival Corp.; ships known as Yachts of Seabourn; founded 1986 as Signet Cruise Lines, subsidiary of Norwegian cruise ship giant Kloster Cruise; renamed Seabourn Cruise Line after trademark objections from Signet Oil; 1st ship entered service 1988; Kloster bankrupt 1996, Carnival Corp. acquired controlling interest in Seabourn in partnership w/consortium of Norwegian businessmen; Carnival bought remaining 50% from NCL Holdings Ltd. (former Kloster) 1998; Carnival bought out Norwegian shareholders 2001 & Seabourn's parent company became wholly-owned subsidiary of Carnival)
found: CruiseCritic, Dec. 12, 2008(Seabourn Cruise Line; founded 1987; was to be named "Signet Cruise Line" but Tex. ferry co. already owned name; 1st voyage Nov. 1988; Carnival Corp. purchased 25% of co. 1991, 25% more 1996; 1998 a consortium which incl. Carnival purchased Seabourn; Carnival bought company outright 1999; Seabourn now operates independently from other Carnival Corp. brands; cruise line garnered worldwide attention in 2005 when Seabourn Spirit successfully fended off machine gun fire & rocket propelled grenades during pirate attack off Somalian Coast)