Holy anniversary, Batman. The Caped Crusader is 80 years old and it's time to celebrate.
"I don't know who he is beneath that mask of his, but I know when we need him, and we need him now!" Gotham City Police Commissioner Gordon would say in the campy 1960s "Batman" television series.
Batman's actual "birthday" was March 30, 1939, when the superhero made his debut in DC Comics, But the Bat-Signal ritual has taken place on Sept. 21 to honor the Dark Knight.
In the real Gotham, New York City will project the Bat-Signal on the side of the Domino Sugar Refinery Building in Brooklyn from 8 p.m. until midnight, WNBC reported.
Twelve other cities will do the same, shining the signal from 8 p.m. to midnight local time, the Times reported.
The celebration began in Melbourne, Australia, at Fed Square, according to DC's Bat Tracker. Other cities include Tokyo, Paris, Sao Paulo, Mexico City, Montreal, Barcelona, London, Johannesburg, Rome; and Berlin
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