Magic Kingdom Kingdom opened as the first part of the Walt Disney World Resort on October 1, 1971, commencing concurrently with Disney's Contemporary Resort and Disney's Polynesian Village Resort. It opened with twenty-three attractions, three unique to the park and twenty replicas of attractions at Disneyland, split into six themed lands, five copies of those at Disneyland (Main Street, U.S.A., Adventureland, Frontierland, Fantasyland, and Tomorrowland) and the Magic Kingdom exclusive of Liberty Square. The Walt Disney Company promised to increase this number with a combination of replicas and unique attractions. While there is no individual dedication to Magic Kingdom, the dedication by
Magic Kingdom 2001, due to the terrorist attacks that day. In addition, there are four "phases" of park closure when Magic Kingdom exceeds capacity, ranging from restricted access for most guests (Phase 1) to full closure for everyone, even cast members (Phase 4). "Magic Kingdom" was often used as an unofficial nickname for Disneyland before Walt Disney World was built. The official tagline for Disneyland is "The Happiest Place On Earth", while the tagline for Magic Kingdom is "The Most Magical Place On Earth". Up until the early 1990s, Magic Kingdom was officially known as Walt Disney World Magic Kingdom, and was