September 18th holidays

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 8 holidays listed for September 18.


Batman Day

Billionaire Bruce Wayne by day, crime-fighting caped crusader Batman by night.


National Cheeseburger Day

An American food icon — a cheeseburger oozing warm cheese on top of a moist, juicy patty.


National Dance Day

We brought the music, you bring the moves!


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?


Independence Day

Let’s party it up Chilean style on ‘Fiestas Patrias.’


National Gymnastics Day

Gyms turn into beehives of activity, highlighting the benefits of a healthy body.


National HIV/AIDS and Aging Awareness Day

It might seem like an odd combination for an observance. But it actually makes perfect sense.