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Holidays for Thursday, September 30th, 2021

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Image for Ask a Stupid Question Day
Also known as National Ask a Stupid Question Day

Observed the last weekday of September
Image for International Blasphemy Rights Day
Also known as Blasphemy Day and International Blasphemy Day

Observed annually on September 30th
Image for World Maritime Day
Observed the last Thursday in September
Image for On This Day in History
Things that happened on this day in years past

Multi-day Events Continuing on Thursday, September 30th, 2021