May 31: National Days, Holidays & Observances

May 31 is day 151 of the year, with 214 days left until the year ends. In 2027 it falls on a Monday. There is 1 observance on this date.

Public holidays around the world

National Day Review

Your daily guide to national days, international observances and public holidays around the world — with history, facts, wishes, messages and quotes for every celebration.

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