We have 17 holidays listed for August 18.
August 18 is the 230th day in the Gregorian calendar. On this day, a French astronmer discovered helium, Australia and New Zealand withdrew their troops from the Vietnam War, and Hurrican Alicia hit Texas. Famous birthdays include Patrick Swayze, Robert Redford, and Andy Samberg. August 18 also marks the National Fajita Day.
Green Man Festival
Grab your keys and let’s head out to Wales’ most vibrant festival — Green Man Festival!
Indonesia Constitution Day
The heart and soul of the country is the constitution. Unity in diversity is Indonesia’s identity.
Long Tan Day
No, it’s not about getting a good tan under the sun. It’s a solemn remembrance day.
National Angela Day
Learn more about the name ‘Angela’ and the icons in history who go by that name.
National Bad Poetry Day
Roses are red, violets are blue. If Shakespeare can write poetry, so can you!
National Ice Cream Pie Day
Prepare to treat your taste buds to this insanely delicious ice cream pie!
National Jaden Day
Learn more about the name Jaden and the people in history going by this name.
National Mail Order Catalog Day
Let’s celebrate and learn about the world's oldest and most innovative marketing strategies.
Never Give Up Day
When the going gets tough, the tough get going. Never give up!
Pinot Noir Day
Grab a wine opener, and enjoy a little refinement this Pinot Noir Day.
Serendipity Day
Let’s dare to be different, try something new, and appreciate the beauty of the moment!
Spirit Festival
Ghost Festival is observed by people in China as a traditional way of honoring their dead.
Tu B'Av
Find out the historical significance of Tu B'Av and how it changed in modern times.
Ullambana
Read on to find out more about Ullambana and the ways to celebrate it traditionally.
World Breast Cancer Research Day
Hug a loved one and learn a bit more about the ongoing struggle to combat breast cancer.