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  • Transit-5bn Satellite Launch Failure, Plutonium Dispersed in Reentry, April 21, 1964
    1964 events

    Transit-5bn Satellite Launch Failure, Plutonium Dispersed in Reentry, April 21, 1964

    Bywp-user-x2rj9v May 15, 2026

    A Transit-5bn satellite fails to reach orbit after launch; as it re-enters the atmosphere, 2.1 pounds (0.95Β kg) of radioactive plutonium in its SNAP RTG power source is widely dispersed. Date: April 21, 1964 Read more on Wikipedia β†’ πŸ“… Other events on April 21 πŸ“… Events on this day in 1964 πŸ“… On This Day…

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  • 1964–1965 New York World’s Fair Opens for Final Season, April 21, 1965
    1965 events

    1964–1965 New York World’s Fair Opens for Final Season, April 21, 1965

    Bywp-user-x2rj9v May 15, 2026

    The 1964–1965 New York World's Fair opens for its second and final season. Date: April 21, 1965 Read more on Wikipedia β†’ πŸ“… Other events on April 21 πŸ“… Events on this day in 1965 πŸ“… On This Day (Today)

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  • Haile Selassie Visits Jamaica, Rastafari Grounation Day, April 21, 1966
    1966 events

    Haile Selassie Visits Jamaica, Rastafari Grounation Day, April 21, 1966

    Bywp-user-x2rj9v May 15, 2026

    Rastafari movement: Haile Selassie of Ethiopia visits Jamaica, an event now celebrated as Grounation Day. Date: April 21, 1966 Read more on Wikipedia β†’ πŸ“… Other events on April 21 πŸ“… Events on this day in 1966 πŸ“… On This Day (Today)

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  • Illinois Tornado Outbreak Kills 50+ and Injures 1,000+ April 21, 1967
    1967 events

    Illinois Tornado Outbreak Kills 50+ and Injures 1,000+ April 21, 1967

    Bywp-user-x2rj9v May 15, 2026

    A tornado outbreak in Illinois, United States, kills over 50 and injures over 1,000. Belvidere sustains over 500 casualties as a violent tornado strikes the high school. Another tornado near Chicago causes another 500 casualties, devastating Oak Lawn. Date: April 21, 1967 Read more on Wikipedia β†’ πŸ“… Other events on April 21 πŸ“… Events…

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  • 1967 events

    Greek Military Coup Led by George Papadopoulos April 21, 1967

    Bywp-user-x2rj9v May 15, 2026

    A few days before the general election in Greece, Colonel George Papadopoulos leads a coup d'Γ©tat, establishing a military regime that lasts for seven years. Date: April 21, 1967 Read more on Wikipedia β†’ πŸ“… Other events on April 21 πŸ“… Events on this day in 1967 πŸ“… On This Day (Today)

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  • Apollo 16 Moon Landing by John Young and Charles Duke, April 21, 1972
    1972 events

    Apollo 16 Moon Landing by John Young and Charles Duke, April 21, 1972

    Bywp-user-x2rj9v May 15, 2026

    Astronauts John Young and Charles Duke fly Apollo 16's Apollo Lunar Module to the Moon's surface, the fifth NASA Apollo Program crewed lunar landing. Date: April 21, 1972 Read more on Wikipedia β†’ πŸ“… Other events on April 21 πŸ“… Events on this day in 1972 πŸ“… On This Day (Today)

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  • Vietnam War: Thiệu Flees Saigon as XuΓ’n Lα»™c Falls, April 21, 1975
    1975 events

    Vietnam War: Thiệu Flees Saigon as XuΓ’n Lα»™c Falls, April 21, 1975

    Bywp-user-x2rj9v May 15, 2026

    Vietnam War: President of South Vietnam Nguyα»…n VΔƒn Thiệu flees Saigon, as XuΓ’n Lα»™c, the last South Vietnamese outpost blocking a direct North Vietnamese assault on Saigon, falls. Date: April 21, 1975 Read more on Wikipedia β†’ πŸ“… Other events on April 21 πŸ“… Events on this day in 1975 πŸ“… On This Day (Today)

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  • Annie Opens on Broadway – April 21, 1977
    1977 events

    Annie Opens on Broadway – April 21, 1977

    Bywp-user-x2rj9v May 15, 2026

    Annie opens on Broadway. Date: April 21, 1977 Read more on Wikipedia β†’ πŸ“… Other events on April 21 πŸ“… Events on this day in 1977 πŸ“… On This Day (Today)

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  • Rollie Fingers First Pitcher to Record 300 Saves, April 21, 1982
    1982 events

    Rollie Fingers First Pitcher to Record 300 Saves, April 21, 1982

    Bywp-user-x2rj9v May 15, 2026

    Baseball: Rollie Fingers of the Milwaukee Brewers becomes the first pitcher to record 300 saves. Date: April 21, 1982 Read more on Wikipedia β†’ πŸ“… Other events on April 21 πŸ“… Events on this day in 1982 πŸ“… On This Day (Today)

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  • Covenant, Sword, and Arm of the Lord Surrenders in Arkansas, April 21, 1985
    1985 events

    Covenant, Sword, and Arm of the Lord Surrenders in Arkansas, April 21, 1985

    Bywp-user-x2rj9v May 15, 2026

    The compound of the militant group The Covenant, The Sword, and the Arm of the Lord surrenders to federal authorities in Arkansas after a two-day government siege. Date: April 21, 1985 Read more on Wikipedia β†’ πŸ“… Other events on April 21 πŸ“… Events on this day in 1985 πŸ“… On This Day (Today)

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