June 10 falls near the middle of the year: it is the 161st day of a common year and the 162nd day in a leap year. In the Gregorian calendar there are 204 days remaining after June 10 in a common year. In the Northern Hemisphere this date typically lies about ten days before the summer solstice; in the Southern Hemisphere it is about ten days before the winter solstice.
Calendar and observances
As a date, June 10 is fixed and recurs annually. Some countries and communities mark the day with public ceremonies or cultural observances. For example, Portugal celebrates its national day, commonly called Dia de Portugal, on June 10, commemorating the poet Luís de Camões and national identity. The day appears in a variety of official and unofficial calendars of saints, civic anniversaries, and local traditions.
Notable historical events
- June 10, 1940: During World War II, Italy entered the war and declared war on France and the United Kingdom.
- June 10, 1967: The Six-Day War between Israel and neighboring Arab states concluded around this date with ceasefires and armistice arrangements.
Famous births and deaths
- Notable people born on June 10 include actress and singer Judy Garland (born 1922) and model Kate Upton (born 1992).
- Many other public figures, artists, and politicians have anniversaries of birth or death on June 10; such lists vary by reference source and country.
Because it is a fixed date in the civil calendar, June 10 is often used as a reference point for seasonal planning, fiscal cutoffs, and cultural commemorations. Leap years affect only the ordinal day number — see the rules for leap-year insertion for more detail on how February 29 alters day counts in a year (leap year).
Across different cultures and disciplines, June 10 can be significant for reasons ranging from national identity to specific historical milestones. For a comprehensive list of events associated with the date, consult specialized chronological or historical references.