Historical eventOctober 42010

Ajka alumina plant accident

The Ajka plant accident in Hungary releases a million cubic metres of liquid alumina sludge, killing nine, injuring 122, and severely contaminating two major rivers.

Everything on October 4Original source

In context

When
Monday, October 4 201016 years ago
Category
Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
Era
21st century · 2010s
Recorded from
Wikipedia “On this day” feed

At a glance

Dates: From 2010.

What happened

The Ajka plant accident in Hungary releases a million cubic metres of liquid alumina sludge, killing nine, injuring 122, and severely contaminating two major rivers.

October 4 through the years

Other entries on the same calendar day, in order.

  1. 1992El Al Flight 1862
  2. 1992Rome General Peace Accords
  3. 1993Battle of Mogadishu (1993)
  4. 19931993 Russian constitutional crisis
  5. 1997October 1997 Loomis Fargo robbery
  6. 2001Siberia Airlines Flight 1812
  7. 2003Maxim restaurant suicide bombing
  8. 2004SpaceShipOne
  9. 2006WikiLeaks
  10. 2010Ajka alumina plant accident
  11. 2017United States Army Special Forces

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  • September 9Natural gasA natural-gas pipeline in San Bruno, California, exploded and "shot a fireball more than 1,000 feet (300 m) in the air", killing eight pe…
  • September 18Philippe CroizonPhilippe Croizon becomes the first quadruple amputee to swim across the English Channel.
  • August 142010 Summer Youth OlympicsThe inaugural edition of the Youth Olympic Games opened in Singapore for athletes aged between 14 and 18.
  • September 3Dubai International AirportAfter taking off from Dubai International Airport, UPS Airlines Flight 6 develops an in-flight fire in the cargo hold and crashes near Na…
  • June 262010 G20 Toronto summitA G20 summit, the largest and most expensive security operation in Canadian history, began in downtown Toronto.
  • November 5JS Air Flight 201JS Air Flight 201 crashes after takeoff from Jinnah International Airport in Karachi, Pakistan, killing all 21 aboard.

Everything we record for 2010 →

Sources

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“Ajka alumina plant accident”, What's On This Date, https://whatsonthisdate.com/app/event/ajka-alumina-plant-accident-2010-october-4, accessed October 27, 2026.

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Questions about this entry

When did Ajka alumina plant accident happen?

October 4 2010 — 16 years ago, on a Monday.

Where does this text come from?

Wikipedia “On this day” feed. Summaries are short adaptations that link back to the source, not reprints.

How do I cite this page?

Use the ready-made citation near the sources at the bottom of the page, and follow the source link to cite the underlying record as well.

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