‘The World’s Most Magical Celebration’ Begins Oct. 1 in Honor of Walt Disney World Resort’s 50th Anniversary February 19, 2021 John Morales Walt Disney World Resort, WDW It’s an event five decades in the making! Beginning Oct. 1, Walt Disney World Resort will throw “The World’s Most Magical Celebration” in honor of our 50th anniversary, bringing new experiences to our four theme parks and beyond.