Template:Selected anniversaries/September 19: Difference between revisions
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File:James Dewar.jpg|link=James Dewar (nonfiction)|1921: Chemist and physicist [[James Dewar (nonfiction)|James Dewar]] develops liquid gas condensor for use in fighting [[crimes against mathematical constants]]. | File:James Dewar.jpg|link=James Dewar (nonfiction)|1921: Chemist and physicist [[James Dewar (nonfiction)|James Dewar]] develops liquid gas condensor for use in fighting [[crimes against mathematical constants]]. | ||
||1935 | File:Konstantin Tsiolkovsky.jpg|link=Konstantin Tsiolkovsky (nonfiction)|1935: Scientist and engineer [[Konstantin Tsiolkovsky (nonfiction)|Konstantin Tsiolkovsky]] dies. He was one of the founding fathers of modern rocketry and astronautics. | ||
||1957 – First American underground nuclear bomb test (part of Operation Plumbbob). | ||1957 – First American underground nuclear bomb test (part of Operation Plumbbob). | ||
Revision as of 07:19, 9 July 2017
1921: Chemist and physicist James Dewar develops liquid gas condensor for use in fighting crimes against mathematical constants.
1935: Scientist and engineer Konstantin Tsiolkovsky dies. He was one of the founding fathers of modern rocketry and astronautics.