May 5 is the 125th day of the year in the Gregorian calendar and the 126th in leap years. In both common and leap years there are 240 days remaining until the end of the year. For calendar mechanics and leap-year rules see leap years and the Gregorian calendar.
Overview
The date falls in early May in the Northern Hemisphere and late autumn in the Southern Hemisphere. Weekday alignment changes from year to year, so specific events tied to a weekday (festivals, races, elections) may sometimes fall on May 5 or on a nearby date.
Observances and public holidays
- Cinco de Mayo — Commemorates the Mexican army's victory at the Battle of Puebla in 1862 and is observed widely in Mexico and by Mexican communities abroad, particularly in the United States.
- Children's Day (Japan) — A national holiday in Japan honoring children and their happiness, traditionally held on May 5.
- Bevrijdingsdag (Netherlands) — Marks liberation from occupying forces in 1945 and is observed on May 5, though formal national celebrations vary by country.
Historical notes
Several well-known historical anniversaries fall on May 5. The Battle of Puebla (1862) is the origin of Cinco de Mayo. Prominent figures associated with this date include the birth of philosopher Karl Marx (1818) and the death of Napoleon Bonaparte (1821). Other political, cultural and scientific events across centuries have been recorded on this day in different countries.
May 5 is also used as a reference point in calendars and almanacs. It illustrates how single dates gather layers of local and international meanings: national holidays, historical remembrances and cultural festivals coexist on the same calendar day.