If you happen to look at Twitter on September 21, you will come across several Batman Day posts from fans of the superhero from all over the world. From T-shirts to other merchandise, fans of the caped crusader share special posts on this day as a celebration for Batman Day. Wondering what is Batman day? Well, this year the caped crusader turns 80 and it is a big deal. One of the most loved superheroes, Batman first appeared in Detective Comics' #27 (DC) in May 1939 and it has been 80 years since this special day, hence every year September 21 is celebrated as Batman Day.  Batman: Robert Pattinson to Succeed Ben Affleck as the Caped Crusader in DC's Next.

Just like Star Wars day which is a huge fan event, Batman Day too is celebrated with immense fervour by fans of the superhero. On this special day, several events are organised for Batman fans to get together including marathons, cosplay events and so on. Not just this, the Bat Sign is also flashed in major cities such as Tokyo, Paris, Berlin and New York. The sign will be flashed at 8 PM in all the cities as per their local time. Here's what fans are doing celebrating the Dark Knight's special day.

Why Celebrate Batman Day?

Bat-Fact on Batman Day:

Long Live the Bat:

In terms of cinema, Batman has been played by Hollywood superstars like Michael Keaton, George Clooney, Christian Bale, and most recently, Ben Affleck and now Robert Pattinson will be the new addition. Matt Reeves is working on the upcoming Batman project which will introduce us to the younger Batman. Considering today's special day, we could be getting a treat in the form of a first look or a teaser of Pattinson's caped crusader hopefully.

(The above story first appeared on LatestLY on Sep 21, 2019 05:26 PM IST. For more news and updates on politics, world, sports, entertainment and lifestyle, log on to our website latestly.com).