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The Chernobyl disaster [a] began on 26 April 1986 with the explosion of the No. 4 reactor of the Chernobyl Nuclear Power Plant near the city of Pripyat in the north of the Ukrainian SSR, close to the border with the Byelorussian SSR, in the Soviet Union. [1] It is one of only two nuclear energy accidents rated at seven—the maximum severity ...
25,000,000 – 50,000,000 (estimated) The Black Death was a bubonic plague pandemic occurring in Europe from 1346 to 1353. It was one of the most fatal pandemics in human history; as many as 50 million people [2] perished, perhaps 50% of Europe's 14th century population. [3] The disease is caused by the bacterium Yersinia pestis and spread by ...
619,000 (2021) [5] Malaria is a mosquito-borne infectious disease that affects vertebrates. [6] [7] [3] Human malaria causes symptoms that typically include fever, fatigue, vomiting, and headaches. [1] [8] In severe cases, it can cause jaundice, seizures, coma, or death. [1] [9] Symptoms usually begin 10 to 15 days after being bitten by an ...
Serotonin syndrome ( SS) is a group of symptoms that may occur with the use of certain serotonergic medications or drugs. [1] The symptoms can range from mild to severe, and are potentially fatal. [4] [5] [2] Symptoms in mild cases include high blood pressure and a fast heart rate; usually without a fever. [2]
Elizabeth II. Elizabeth II (Elizabeth Alexandra Mary; 21 April 1926 – 8 September 2022) was Queen of the United Kingdom and other Commonwealth realms from 6 February 1952 until her death in 2022. She was queen regnant of 32 sovereign states over the course of her lifetime and remained the monarch of 15 realms by the time of her death.
Franklin Delano Roosevelt [a] (January 30, 1882 – April 12, 1945), commonly known by his initials FDR, was an American statesman and politician who served as the 32nd president of the United States from 1933 until his death in 1945. He was a member of the Democratic Party and is the only U.S. president to have served four terms in office.
Wikipedia [note 3] is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the use of the wiki -based editing system MediaWiki. Wikipedia is the largest and most-read reference work in history.
Pica is the eating or craving of things that are not food. [2] It is classified as an eating disorder but can also be the result of an existing mental disorder. [3] The ingested or craved substance may be biological, natural or manmade. The term was drawn directly from the medieval Latin word for magpie, a bird subject to much folklore ...