
View Historical Events by Day: What Happened on March 21 in History?
Explore the historical events that shaped our world on March 21st. From major milestones to cultural achievements, see what happened on this day in history. Dates for earlier events may be approximate.
Note: Sources for the historical content shown, include research and reviews of relevant Online History Resources or printed material. When possible, we show a link to a source which provides additional or unique perspective about the event.
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King Henry V of England dies, leaving his infant son, Henry VI, as king.
The Sharpeville massacre in South Africa occurs as police open fire on a demonstration against apartheid, resulting in numerous deaths.
Alcatraz Federal Penitentiary in San Francisco Bay closes.