History

Friday, 27 February 2026
42 facts about Kyshtym disaster
42 facts about Kyshtym disaster
The first nuclear accident in Earth's history
Before information about it saw the light of day, the Soviets hid it for over 30 years. The explosion at the Mayak combine was the first nuclear accid ...

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Kyshtym disaster
The Soviets decided to produce plutonium 239, with which they wanted to replace uranium 235.
It takes one ton of uranium to produce 500 grams of weapons-grade plutonium (plutonium 239), and 5-1 ...
Kyshtym disaster
The tank explosion occurred on September 29, 1957.
About an hour and a half before the explosion, yellow smoke began to escape from the tank, which was ...
Kyshtym disaster
A decision was made to resettle villagers within a radius of about 130 kilometers northeast of the epicenter of the blast.
Approximately 12,000 people lived in the evacuation area, and roughly 2000 in the area of the highes ...
Jamestown
The colonists were divided into three groups.
The first group was tasked with the construction of various buildings, including houses, fortificati ...
Dyatlov Pass incident
In the case of the Dyatlov Pass tragedy, the involvement of the Mansi is also a popular hypothesis.
The Mansi inhabit the Siberian territories between the Urals and the Ob River. It is an autonomous g ...
Medieval world
Vikings did not wear horned helmets. Such a vision of the Scandinavian warriors only came into existence in the 19th century thanks to the painters of that time who colored the figures of the invaders in this way.
To this day, archaeologists have not found a single Viking helmet with horns. As a rule, Vikings wore no helmets at all or simple conical helmets made of leather or iron.
Dyatlov Pass incident
In 2019, the investigation resumed and focused on trying to prove the avalanche theory.
The slab avalanche theory was accepted by the Russian prosecutor's office as the official cause of t ...
Ancient Sumer
They are also credited with inventing the chariot around 3,200 B.C.
Kyshtym disaster
The first plutonium bomb test was conducted on August 29, 1949.
The RDS-1 bomb was detonated at the Semipalatinsk atomic training ground, with an explosive power of approximately 22 kilotons. It was a faithful copy of the Fat Man bomb detonated over Nagasaki.
Masada
The place where the bodies of the suicide defenders of Masada were buried has not been found to this day.