This is our day guide for Wednesday August 18th 2021 which shows you at a glance what's happening on this day around the world. Using the calendar on this page, you can look at a day guide for any day. Why not look up your birthday to see which holidays you share it with?

Observances on August 18th 2021

Constitution Day

Constitution Day

Find out the dates, history and traditions of Constitution Day

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Never Give Up Day

Never Give Up Day

Find out the dates, history and traditions of Never Give Up Day.

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National Fajita Day

National Fajita Day

Those who choose to observe National Fajita Day can do so by visiting their favorite restaurant and indulging in the celebrated Mexican inspired dish.

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National Science Day

National Science Day

August 18th is National Science Day in Thailand, commemorating King Mongkut's prediction and observation of a total solar eclipse in 1868.

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National Ice Cream Pie Day

National Ice Cream Pie Day 🍨

Find out the dates, history and traditions of National Ice Cream Pie Day

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National Mail Order Catalog Day

National Mail Order Catalog Day

While the golden age of thumbing through a thick catalog may be over, printed catalogs still have a role to play.

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National Couple's Day

National Couple's Day 💑

Find out the dates, history and traditions of National Couple's Day.

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Pinot Noir Day

Pinot Noir Day

Find out the dates, history and traditions of Pinot Noir Day

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Public Holidays on August 18th 2021

Ashura

Ashura

Ashura is the 10th day of Muharram in the Islamic calendar and marks the climax of the Mourning of Muharram

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Tasoua Hosseini

Tasoua Hosseini

Commemoration of the martyrdom of Imam Hussein, the grandson of Mohammed

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Myanmar Public Holiday

Myanmar Public Holiday

Myanmar has announced five days of public holidays to curb the spread of COVID-19.

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