Superman Day

Occurrence:
2X
Hashtags:
References:
daysoftheyear.com/days/superman-day/
www.newsarama.com/17874-june-12-is-man-of-steel-day-free-superman-com…
x.com/Hangar_One/status/1146432023143354369

Superman Day takes place twice annually, on the 12th of June and on the 3rd of July.

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See Also:

Flash Appreciation Day