This is our day guide for Sunday March 15th 2026 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 March 15th 2026
Mothering Sunday
Celebrated on the fourth Sunday during Lent, this modern celebration of Mothers has a older and different origin story
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Belarus Constitution Day
March 15th marks the day in 1994 when Belarus established its new Constitution after independence from the Soviet Union in 1991.
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Public Holidays on March 15th 2026
Hungary Revolution Day
This day marks the anniversary of the start of the 1848 Revolution against the Austrian Empire and is celebrated with speeches and musical performances
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