National days, ongoing national weeks and months, and global observances for September 11, 2026. Plus historical events and birthdays.
September 11, 2026 celebrates Patriot And National Day Of Service & Remembrance, plus 2 more. Patriot Day on September 11 honors the memory of the nearly 3,000 innocent victims who died in the September 11, 2001, terrorist attacks. Each year Americans dedicate this day to remembering those who died and the first responders who risked their own lives to save others.
Read the full story →
National Hot Cross Bun Day on September 11 encourages us to rise and shine to this tasty treat! This fun food holiday is the perfect time to learn about the rich history of the hot cross bun and enjoy the tasty treat, too!
Read the full story →
Each year on September 11th, National Make Your Bed Day reminds us of all the benefits a well-made bed offers. It's time to fluff those pillows, crisp up those corners, and feel the satisfaction of knowing you completed an important task.
Read the full story →People born on September 11
German lens maker who created the Optical instrument that revolutionized microscopes.
Animated voice of Goofy and Pluto, as well as Bozo the Clown and Bluto in Popeye.
Farmer who founded Gold Kist, one of the earliest fertilizer plants in the U.S.
Co-founder of NFL Films.
American businessman and co-founded of Adobe Systems.
Events that occurred on September 11 throughout history
Henry Hudson arrives on Manhattan Island and meets the indigenous people living there. Hudson was searching for passage Asia but decided to explore the North American coastline.
Alexander Hamilton is appointed as the first Secretary of the U.S. Treasury. Appointed by George Washington, Hamilton served from 1789 until 1795.
Oh! Susanna is sang in public for the first time. Written by Stephen Foster, the song became an unofficial anthem for the 1849 California Gold Rush.
James Cutler patents the postal mail chute, receiving U.S. patent number 284,951. The system connected deposit boxes on multiple floors to a single ground-floor receptacle.
Construction begins on the Pentagon. Built with 16 months, the Pentagon was intended to consolidate the Department of War during WWII.
The first mobile long-distance car-to-car telephone conversation occurs. The radio telephone hardware weighed roughly 80 pounds and used a "push-to-talk" button, while routing their conversation through a live switchboard operator.
The first Cavalry Division of the U.S. Army arrives in Vietnam. Known as the "First Team," the division utilized helicopters for rapid troop deployment, resupply, and medical evacuations.
Two aircraft crash into the World Trade Center in New York City; a third plane crashes into The Pentagon in Arlington County, Virginia; a fourth plane crashes into a field near Shanksville, Pennsylvania. The attacks killed 2,977 people.
Longer-running observances that include this date.
Self-care Awareness Month
Month
National Suicide Prevention Month
Month
National Recovery Month
Month
Hispanic Heritage Month
Month
National Mushroom Month
Month
National Potato Month
Month
National Preparedness Month
Month
Self-improvement Month
Month
National Library Card Sign-up Month
Month
National Coupon Month
Month
National Chicken Month
Month
Better Breakfast Month
Month
Showing the first 12 — See all months for September.
