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Holidays for Saturday, May 15th, 2021

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Image for Astronomy Day
Also known as Fall Astronomy Day, International Astronomy Day, International Fall Astronomy Day, International Spring Astronomy Day, and Spring Astronomy Day

Observed on May 15th and on October 9th
Image for HG Awareness Day
Also known as Hyperemesis Gravidarum Awareness Day

Observed annually on May 15th
Image for International MPS Awareness Day
Also known as International Mucopolysaccharidoses Awareness Day

Observed annually on May 15th
Image for VBF Day of Awareness
Also known as Vascular Birthmark Foundation Day of Awareness

Observed annually on May 15th
Image for On This Day in History
Things that happened on this day in years past

Multi-day Events Continuing on Saturday, May 15th, 2021