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Main navigation
Holidays
Holidays Around the World
Daily Fun & Awareness Holidays
Monthly Fun & Awareness Observances
Popular U.S. Holidays
UN Holidays
Beliefs & Religious Holidays
U.S. State Holidays
Holidays A-Z List
Calendars
Holiday Calendar
Fun, Noteworthy & Awareness Days Calendar
Browse by Month
Days of the Week
Seasons
Fun Stuff
Astrological Signs
Flowers of the Month
Birthstones
Holiday Travel
TV & Movies
Unity Months
Holiday Jewelry
Holiday Beauty & Fashion
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Batman
Daily Fun & Noteworthy Holidays
Batman Day
September 21
Celebrate
