28. This is an easy one for Disney fans, who all remember that Mickey made his on-screen debut in Steamboat Willie on November 18, 1928. Minnie Mouse: No. 89. Art Director Sy Thomas chose this number to represent that it's been 89 years since we first met Minnie in Steamboat Willie, as well.

In the world of Disney, the number 28 is a ubiquitous tribute to the year 1928, which marks the official "birth" of Mickey Mouse. While Walt Disney had created other characters before, it was on November 18, 1928, that Steamboat Willie premiered at the Colony Theatre in New York City, catapulting Mickey to global stardom. In 2026, you will see this number integrated into various "Easter eggs" across the theme parks and merchandise. For instance, the high-end apparel line "Twenty Eight & Main" is named specifically to honor this founding year alongside Main Street, U.S.A. You might also spot "Est. 28" on prop luggage in hotel lobbies, on jerseys in gift shops, or even as part of the address on fictional storefront windows. For Disney Imagineers and historians, 1928 represents the pivot point from a struggling animation studio to the beginning of a media empire. Whenever you see "28" subtly placed in a Disney environment, it serves as a respectful nod to the humble beginnings of a mouse that started it all nearly a century ago.