What Happened on June 21?
June 21 is International Yoga Day and the summer solstice in the Northern Hemisphere — also the date New Hampshire ratified the Constitution in 1788, and the UN declared International Yoga Day in 2015.
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1788 — New Hampshire ratifies the U.S. Constitution — making it law
On June 21, 1788, New Hampshire became the ninth state to ratify the Constitution — the threshold needed for the new government to take effect. Read the full story →
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1948 — Columbia Records introduces the long-playing vinyl LP
On June 21, 1948, Columbia Records unveiled the 33⅓ RPM long-playing album — letting listeners enjoy full symphonies and albums on one disc. Read the full story →
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1964 — Three civil rights workers disappear in Mississippi
On June 21, 1964, activists James Chaney, Andrew Goodman, and Michael Schwerner vanished in Neshoba County, Mississippi, while registering Black voters — their murders shocked the nation. Read the full story →
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2004 — SpaceShipOne completes the first privately funded manned spaceflight
On June 21, 2004, pilot Mike Melvill flew SpaceShipOne above 100 kilometers — the first commercial spacecraft to carry a human into space. Read the full story →
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2015 — The United Nations declares International Day of Yoga
On June 21, 2015, millions worldwide celebrated the first International Day of Yoga after the UN General Assembly declared June 21 a global observance. Read the full story →
Famous birthdays
Prince William (1982) · Chris Pratt (1979) · Jean-Paul Sartre (1905–1980) · Benazir Bhutto (1953–2007)
Days & observances
International Day of Yoga · Summer Solstice (Northern Hemisphere) · World Music Day (Fête de la Musique) · National Selfie Day