On This Day

children and 28 adults die as a coal waste heap slides and engulfs a school in Aberfan, South Wales

The Aberfan disaster (Welsh: Trychineb Aberfan) was the catastrophic collapse of a colliery spoil tip on 21 October 1966.

The Aberfan disaster (Welsh: Trychineb Aberfan) was the catastrophic collapse of a colliery spoil tip on 21 October 1966. The tip had been created on a mountain slope above the Welsh village of Aberfan, near Merthyr Tydfil, and overlaid a natural spring. Heavy rain led to a build-up of water within the tip which caused it to suddenly slide downhill as a slurry, killing 116 children and 28 adults as it engulfed Pantglas Junior School and a row of houses.

Historical Significance

The Aberfan disaster (Welsh: Trychineb Aberfan) was the catastrophic collapse of a colliery spoil tip on 21 October 1966.

Events Before

  1. 49-year-old former England international soccer forward Stanley Matthews is the only player to be awarded a knighthood w

    49-year-old former England international soccer forward Stanley Matthews is the only player to be awarded a knighthood while still playing for Stoke City

  2. State funeral for Winston Churchill at St Paul's Cathedral in London; at the time, the world's largest-ever state funera

    State funeral for Winston Churchill at St Paul's Cathedral in London; at the time, the world's largest-ever state funeral

  3. Righteous Brothers' music single "You've Lost That Lovin' Feelin'" hits #1

    "You've Lost That Lovin' Feelin'" is a song by Phil Spector, Barry Mann, and Cynthia Weil, first recorded in 1964 by the American vocal duo the Righteous Brothers.

  4. One of the most popular musical films of all time, "The Sound of Music," starring Julie Andrews and Christopher Plummer,

    One of the most popular musical films of all time, "The Sound of Music," starring Julie Andrews and Christopher Plummer, premieres (Academy Award for Best Picture - 1966)

  5. Soviet cosmonaut Alexei Leonov leaves his spacecraft Voskhod 2 for 12 minutes and becomes the first person to conduct a

    Soviet cosmonaut Alexei Leonov leaves his spacecraft Voskhod 2 for 12 minutes and becomes the first person to conduct a spacewalk

Events After

  1. François Pienaar is born

    François Pienaar is born

  2. AFL Championship, War Memorial Stadium, Buffalo: Kansas City Chiefs beat Buffalo Bills, 31-7; QB Len Dawson passes for 2

    AFL Championship, War Memorial Stadium, Buffalo: Kansas City Chiefs beat Buffalo Bills, 31-7; QB Len Dawson passes for 2 TDs, RB Mike Garrett runs for 2 TDs

  3. Actor Lee Marvin (42) divorces Elizabeth Ebeling after 14 years of marriage

    Actor Lee Marvin (42) divorces Elizabeth Ebeling after 14 years of marriage

  4. Republican Edward W. Brooke of Massachusetts takes his seat as the first African American popularly elected to the US Se

    Republican Edward W. Brooke of Massachusetts takes his seat as the first African American popularly elected to the US Senate

  5. Canadian actor Christopher Plummer (37) divorces second wife, British columnist Patricia Lewis after nearly 5 years of m

    Canadian actor Christopher Plummer (37) divorces second wife, British columnist Patricia Lewis after nearly 5 years of marriage

More from the 1960s

Frequently Asked Questions

What happened on October 21, 1966?
The Aberfan disaster (Welsh: Trychineb Aberfan) was the catastrophic collapse of a colliery spoil tip on 21 October 1966. The tip had been created on a mountain slope above the Welsh village of Aberfan, near Merthyr Tydfil, and overlaid a natural spring. Heavy rain led to a build-up of water within the tip which caused it to suddenly slide downhill as a slurry, killing 116 children and 28 adults as it engulfed Pantglas Junior School and a row of houses.
Why is children and 28 adults die as a coal waste heap slides and engulfs a school i... significant?
The Aberfan disaster (Welsh: Trychineb Aberfan) was the catastrophic collapse of a colliery spoil tip on 21 October 1966.

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