National days, ongoing national weeks and months, and global observances for September 21, 2027. Plus historical events and birthdays.
September 21, 2027 celebrates National It Professionals Day, plus 3 more. Annually on the third Tuesday in September, National IT Professionals Day honors the venerable geeks of the world we all rely on to keep us connected.
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As we continue our tour of the states, September 21 brings us to National New York Day, honoring the Empire State. New York is the 11th state to join the Union and we think the state is entitled to some amazing occades!
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Each year on September 21, people across the United States celebrate National Pecan Cookie Day. This delicious cookie can be eaten and enjoyed morning, noon and night. If you're a pecan snacker, another pecan related celebration is National Pecan Day on April 14.
Read the full story →Longer-running observances that include this date.
National Construction Appreciation Week
Week
National Security Officer Appreciation Week
Week
National Indoor Plant Week
Week
National Rehabilitation Awareness Week
Week
National Farm Safety And Health Week
Week
National Surgical Technologists Week
Week
National Farm Animals Awareness Week
Week
National Eczema Week
Week
National Coupon Month
Month
Self-care Awareness Month
Month
National Recovery Month
Month
Hispanic Heritage Month
Month
National Suicide Prevention Month
Month
National Preparedness Month
Month
National Library Card Sign-up Month
Month
National Potato Month
Month
Self-improvement Month
Month
Classical Music Month
Month
Better Breakfast Month
Month
National Chicken Month
Month
Showing the first 12 — See all months for September.
