A timeline about Walter Elias Disney - yes, that Walter Elias Disney - winning the US presidential elections in the early 1950s. The premise sounds pretty harmless, but due to a combination of bad luck and the political inexperience of the new president, the United States and the world around them undergoes a very different 1950s and 1960s…
Written by statichaos. Read it here.
It's also featured on Tv Tropes, where it has its own little page. A review of the timeline was featured on the Alternate History Weekly Update blog.