History

Monday, 11 May 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 ...

Did you know?

Ancient Sumer
The most characteristic buildings of the Sumer civilization were ziggurats.
These are temple buildings with a stepped terrace structure. Currently, the best-preserved is the Ziggurat of Ur - built around 2100 B.C. Originally it was 21 meters high.
Mohenjo-daro
Mohenjo-daro was built in the 26th century B.C.
It was one of the largest cities of the ancient Indus Valley Civilization, also known as the Harappan Civilization, which developed around 3000 B.C. from prehistoric Indus culture.
Kyshtym disaster
Some 5000 people in the first 72 hours were irradiated with doses ranging from 460 to nearly 1000 mSv.
At the same time as external radiation, the process of irradiation continued continuously from withi ...
Mali Empire
The Mali Empire maintained a semi-professional, full-time army to defend its borders. It was a well-organized army with an elite corps of horsemen and infantry in each battalion. The entire nation was mobilized, and each clan was required to provide a certain number of soldiers of fighting age.
The army consisted of 100,000 soldiers, of which 10,000 were cavalry. In addition to weapons, it was ...
Mali Empire
During the heyday of the Mali Empire, which was in the first half of the 14th century, Mansa Kankana Musa I, also known as Mansa Musa, ruled.
He was the tenth Mansa to reign from 1312 to 1337. He became famous for his expedition to Mecca and ...
Medieval world
Islam was born in the early Middle Ages.
The exact time frame is not clear, but it is known that Muhammad, the founder and prophet of Islam, ...
Battle of Thermopylae
The battle of Thermopylae had little impact on the fate of the war.
The Spartans lost, but dealt a big blow to Xerxes, showing their strength, boosting the morale of th ...
Jamestown
Bacon’s Rebellion of 1676-1677 was the most serious conflict between the colonists and royal authority.
The governor had constantly refused military aid to a planter named Nathaniel Bacon to expel the Nat ...
Dyatlov Pass incident
The expedition was scheduled to begin on January 23, 1959.
In addition to the desire to conquer one of the most difficult mountain routes, the expedition also ...
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 ...