Disneyworld Magic Kingdom

This theme park opened on the 1st of October, in the year 1971. It has become prominent over the years, because it alone was recognized to be the only place to see in the large complex of the Walt Disney World Resort. Thus, people came to know this single park as Disney World. However, in 1982, Epcot Theme Park was added, followed in succession with the addition of two other destinations: the Disney-MGM Studios (1989) and Disney's Animal Kingdom (1998). It's good to note that Disney World's Magic Kingdom bears a significant resemblance to the Disneyland version in California, except that the Florida version is situated on a far larger area.

Additional Information:
http://www.articlesbase.com/travel-articles/the-history-of-disney-worlds-magic-kingdom-70702.html
http://en.wikipedia.org/wiki/Walt_Disney_World