This is our day guide for Tuesday May 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 May 18th 2021

International Day for Museums

International Day for Museums

Find out the dates, history and traditions of International Day for Museums

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National Cheese Souffle Day

National Cheese Souffle Day

Find out the dates, history and traditions of National Cheese Souffle Day

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National HIV Vaccine Awareness Day

National HIV Vaccine Awareness Day

Find out the dates, history and traditions of National HIV Vaccine Awareness Day

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National No Dirty Dishes Day

National No Dirty Dishes Day

Find out the dates, history and traditions of National No Dirty Dishes Day

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National Visit Your Relatives Day

National Visit Your Relatives Day

Find out the dates, history and traditions of National Visit Your Relatives Day

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National Flip Flop Day

National Flip Flop Day

Find out the dates, history and traditions of National Flip Flop Day

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Public Holidays on May 18th 2021

Flag and Universities' Day

Flag and Universities' Day

Celebrates Haiti's educational system and commemorates the creation of the flag at the 1803 Arcahaye Conference.

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Eid Al Fitr

Eid Al Fitr

The festival of Eid al-Fitr, the Festival of Fast breaking, marks the end of Ramadan

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Turkmenistan Constitution and Flag Day

Turkmenistan Constitution and Flag Day

Marks Turkmenistan's declaration of independence from the Soviet Union in 1991

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Battle of Las Piedras

Battle of Las Piedras

The Battle of Las Piedras was fought on May 18th 1811 as part of the Uruguayan struggle for independence

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