When Beane expanded the plot of Rogers and Hammerstein's Cinderella to a full Broadway play, he actually added a communist revolution subplot. One of Cinderella's stepsisters ends up marrying the revolutionary.
I was going to joke at the expense of Star Wars about how its history seems to be progressing towards constant retcons, but then I realized that it's still more consistent than the "card says moops" type of historic revisionism we're constantly dealing with in real-world politics these days.