why is today batman day

Today is Batman Day, which is celebrated annually on the third Saturday of September. In 2025, Batman Day fell on September 20, the day before today, September 21, which explains why the celebration is currently ongoing or just passed. Batman Day honors the legacy of Batman, one of the most iconic superheroes who first appeared in Detective Comics in 1939. The day celebrates Batman's impact through comics, movies, TV shows, and pop culture globally. Events include special comic releases, themed studio tours, merchandise sales, Bat-signal lightings in major cities, cosplay, and fan gatherings. The celebration highlights Batman's human qualities, intellect, athleticism, and cultural significance rather than superpowers.