March 24

Calendar and characteristics

The placement of March 24 near the end of March means the date often falls during spring in the Northern Hemisphere and autumn in the Southern Hemisphere. It can intersect with movable religious observances such as Lent or Holy Week when Easter falls early; when Easter is late, those observances may have concluded before March 24. The day’s ordinal number (83rd or 84th) is determined by whether a leap day has already occurred that year.

Notable historical events

• 1603: The death of Queen Elizabeth I of England, an event that led to the succession of James VI of Scotland as James I of England and the union of the crowns.
• 1882: German physician Robert Koch announced the discovery of the bacterium that causes tuberculosis, an action commemorated today by a global public-health observance.
• 1976: A military coup in Argentina marked the beginning of a period of authoritarian rule; the date is now observed there as a day of remembrance for victims.
• 1989: The Exxon Valdez oil tanker ran aground in Alaska, causing a major environmental disaster and prompting changes in maritime regulations.
• 1999: NATO launched an air campaign in the Balkans, marking a significant international military intervention in the Kosovo conflict.

Observances and commemorations

• World Tuberculosis Day — observed internationally to raise awareness about tuberculosis and public-health efforts, timed to recall Robert Koch’s 1882 announcement.
• Argentina — Day of Remembrance for Truth and Justice — a national day to honor victims of state terrorism during the 1976–1983 period.

Notable births and deaths

Several well-known figures are associated with March 24. For example, the entertainer Harry Houdini was born on this date in 1874, and Queen Elizabeth I died on March 24, 1603. Other births and deaths on the day reflect a wide range of fields including politics, science and the arts.

As with any calendar date, March 24 serves as a marker for both historical reflection and contemporary observance. Its recurring place in the yearly cycle makes it a convenient focal point for anniversaries, public campaigns and local traditions.