On 26 April 1986, reactor no. 4 of the Chernobyl Nuclear Power Plant, located near Pripyat, Ukrainian SSR, Soviet Union, exploded. With dozens of direct casualties and thousands of health complications stemming from the disaster, it is one of only two nuclear accidents rated at the maximum severity on the International Nuclear Event Scale, the other being the 2011 Fukushima nuclear accident. The response involved more than 500,000 personnel and cost an estimated 18 billion rubles. It remains the worst nuclear disaster and the most expensive disaster in history, with an estimated cost of US$700 billion.
The Chernobyl disaster occurs in the Ukrainian Soviet Socialist Republic
The Chernobyl disaster occurs in the Ukrainian Soviet Socialist Republic.
On April 26, in the year 1986, The Chernobyl disaster occurs in the Ukrainian Soviet Socialist Republic. This event is recorded as a Historical Events event in the history of April 26, one of 377 recorded events on this date across all of history.
Key Facts
- This event took place on April 26, 1986 (AD era).
- It is categorised as a Historical Events event in recorded history.
- Referenced in 2 Wikipedia articles.
- The event is associated with a specific geographical location (see map below).
- Wikipedia source last updated on 25 April 2026.
On This Date in History 377
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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