September 9 is the 252nd day of the Gregorian calendar. On this day, Washington, D.C. was named the capital of the United States, California was admitted the 31st state in the U.S., and Elizabeth II became the longest reigning monarch in the UK's history. Famous birthdays include Adam Sandler, Michelle Williams, and Hugh Grant. September 9 also marks Day of the Homeland, European Heritage Days, International Sudoku Day, National Grandparents Day, National Wiener Schnitzel Day, and Rosh Hashanah.
We have 18 holidays listed for September 9.
International Sudoku Day
Sudoku enthusiasts will no doubt notice the date’s symbolism.
California Admission Day
Celebrate with us as California commemorates the day it became an American state.
Care Bears Share Your Care Day
This special day is all about love and care! Ready to show it?
Carl Garner Federal Lands Cleanup Day
On Carl Garner Federal Lands Cleanup Day, let’s find out how to get involved in our areas.
Drive Your Studebaker Day
Learn why Studebaker is regarded as the most exquisite car of the 20th century.
Emergency Services Day
Emergency Services Day is an opportunity to celebrate the heroes saving lives by providing emergency services.
Farmers' Consumer Awareness Day
Farmers' Consumer Awareness Day is the most exciting way to learn where your food comes from.
Free Dentistry Day
Say goodbye to that toothache because dentists are available to help you for free today.
German Language Day
German is the language of poets Bertolt Brecht, Rainer Maria Rilke, and classic Weimar-era cinema.
International Box Wine Day
Show your appreciation for sustainable wine packaging by sipping some box wine on this day.
International Day to Protect Education from Attack
Explore the history and significance of the day and discover why we need to protect education.
International Fetal Alcohol Spectrum Disorders Awareness Day
Today we remind you that it’s never a good idea to take alcohol while pregnant.
National When Pigs Fly Day
Have faith that miracles can happen and when they do, share them today.
National Wiener Schnitzel Day
This renowned dish is considered an Austrian delicacy in its beautiful capital, Vienna.
Steak Au Poivre Day
Get ready to stick your fork into one of the most succulent meals ever invented.
Tajikistan Independence Day
Join us as we learn more about Tajikistan’s incredible journey toward independence.
Teddy Bear Day
Get excited as we celebrate one of the world's most loyal best friends — the teddy bear.
Wonderful Weirdos Day
Don't be afraid to embrace and explore your quirkiness on Wonderful Weirdos Day.