September 18 is the 261st day of the Gregorian calendar. Tiffany & Co. was founded as a “stationery and fancy goods emporium”; Congress passed the Fugitive Slave Act of 1850. Ted Turner, donated $1 billion to the United Nations. Famous birthdays include Greta Garbo and Jada Pinkett Smith. Today is National HIV/AIDS and Aging Awareness Day.
We have 23 holidays listed for September 18.
National Cheeseburger Day
An American food icon — a cheeseburger oozing warm cheese on top of a moist, juicy patty.
National Day of Civic Hacking
Join developers, designers, government employees, and data scientists, at special events.
National First Love Day
Do you remember your first love? Do you remember that euphoric feeling?
Chiropractic Founders Day
Many people are unaware of the fact that chiropractic care can actually redefine their lives.
Global Company Culture Day
Join us as we learn more about the importance of Global Company Culture Day!
Hug A Greeting Card Writer Day
Let's give back to the writers who give us the words to express our feelings.
International Equal Pay Day
The first step in closing the gender age up is understanding the role you can play.
International Red Panda Day
Celebrate the day to encourage the preservation of the adorable red pandas.
Locate An Old Friend Day
Take a trip down memory lane by sharing old stories and new ones with old friends.
National Cartonnage Day
Let’s celebrate the centuries-old art of cartonnage this September 18 right here at National Today!
National Colton Day
Join us in celebrating all the Coltons in your life this National Colton Day!
National HIV/AIDS and Aging Awareness Day
It might seem like an odd combination for an observance. But it actually makes perfect sense.
National Report Kickback Fraud Day
Learn about kickback fraud and how to protect yourself and others from getting scammed.
Purple Bra Day
Come and make a difference in someone’s life by supporting the battle against breast cancer.
Read An eBook Day
Get your favorite eBook collections ready as we celebrate Read An eBook Day.
Respect for the Aged Day
Our elders are our link to the past and they contribute to our future.
Rice Krispies Treats Day
Devour Rice Krispies Treats throughout the day to honor the innovation of the sweet delight.
U.S. Air Force Day
Join us as we celebrate the men and women of the USAF. We honor them today.