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Great Transylvanian Romanian Assembly at Alba Iulia (December 1st 1918)
Photo: Samoilă Mârza, Public domain, via Wikimedia Commons

National day · Romania

Great Union Day is coming up.

Tuesday, 1 December 2026

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About Great Union Day

Great Union Day is the national day of Romania. It marks the union with Transylvania in 1918.

In 2026 it falls on a Tuesday; in 2027 it’s on Wednesday 1 December, and in 2028 on Friday 1 December. Also in December 2026: World AIDS Day (1 Dec), Eat a Red Apple Day (1 Dec) and Teachers’ Day (Panama) (1 Dec). From this page you can add it to your calendar, get an email before it, share the countdown, or show it full screen.

How we work out the date
It’s on 1 December every year.
Sources

Page updated 5 November 2026. Report a wrong date

Dates

YearDate
2026Tuesday, 1 December
2027Wednesday, 1 December
2028Friday, 1 December
2029Saturday, 1 December
2030Sunday, 1 December
2031Monday, 1 December
2032Wednesday, 1 December
2033Thursday, 1 December
2034Friday, 1 December
2035Saturday, 1 December

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