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March 15 Holidays & Observances

1 holiday observed on March 15 in the 2026–2030 window.

Hungary National Day national · National Every year

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March 15 — quick answers

How many holidays fall on March 15?
In the 2026–2030 window, 1 holiday and observance falls on March 15: Hungary National Day.
What is celebrated on March 15?
March 15 is home to Hungary National Day. Each one has its own page with history and a live countdown.
Are any March 15 holidays public holidays?
None of the observances on March 15 are US federal holidays; they are celebrated informally by people, brands and communities.