Batman Day

It was a date selected by DC Comics and Warner Bros. to celebrate Batman's 75th Anniversary.

The day was chosen to coincide with San Diego Comic-Con 2014.

Subsequent Batman Days have been on either the third or fourth Saturday in September.

[1][2] The actual anniversary date of the first appearance of Batman in Detective Comics #27 is March 30, 1939.

Batman Day was established by the DC Comics, Warner Bros and DC Entertainment after the first Superman Day was celebrated on June 12, 2013, the day when Zack Snyder's Man of Steel debuted in theaters.

The third Batman Day at Midtown Comics , where a person dressed as Batman meets writers and artists including Frank Miller and Greg Capullo