1952
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Events
Science
- The "Parícutin volcano", after appearing suddenly in 1943, ceases its discontinuous eruption.
It has, at this point, spewed a gigaton of lava, and has significantly damaged more than 233 square kilometers.
- United Kingdom Prime Minister Winston Churchill announces that the country has an atomic bomb.
- The first British nuclear weapon is detonated in Australia, making the United Kingdom the third nuclear weapons state.
- The United States successfully detonates the first hydrogen bomb in the central Pacific Ocean, with a yield of 10.4 megatons.
Medicine
- Dr. C. Walton Lillehei and Dr. F. John Lewis perform the first open-heart surgery.
- The first successful sex reassignment surgery is performed, allowing George Jorgensen Jr. to physically become Christine Jorgensen.
- The first successful surgical separation of Siamese twins is conducted.
- Dr. Virginia Apgar devises the Apgar score as a simple replicable method of quickly and summarily assessing the health of babies immediately after childbirth.
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