<Table> <Tr> <Th colspan="2"> Soviet atomic bomb project </Th> </Tr> <Tr> <Td colspan="2"> Russian physicists Andrei Sakharov ( left ) and Igor Kurchatov , who led the program to success . </Td> </Tr> <Tr> <Th> Operational scope </Th> <Td> Operational R&D </Td> </Tr> <Tr> <Th> Location </Th> <Td> Atomgrad , Semipalatinsk , Chagan Lake </Td> </Tr> <Tr> <Th> Planned by </Th> <Td> NKVD , NKGB GRU , MGB , PGU </Td> </Tr> <Tr> <Th> Date </Th> <Td> 1940 -- 49 </Td> </Tr> <Tr> <Th> Executed by </Th> <Td> Soviet Union </Td> </Tr> <Tr> <Th> Outcome </Th> <Td> The successful development of nuclear weapons . </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="2"> Soviet atomic bomb project </Th> </Tr> <Tr> <Td colspan="2"> Russian physicists Andrei Sakharov ( left ) and Igor Kurchatov , who led the program to success . </Td> </Tr> <Tr> <Th> Operational scope </Th> <Td> Operational R&D </Td> </Tr> <Tr> <Th> Location </Th> <Td> Atomgrad , Semipalatinsk , Chagan Lake </Td> </Tr> <Tr> <Th> Planned by </Th> <Td> NKVD , NKGB GRU , MGB , PGU </Td> </Tr> <Tr> <Th> Date </Th> <Td> 1940 -- 49 </Td> </Tr> <Tr> <Th> Executed by </Th> <Td> Soviet Union </Td> </Tr> <Tr> <Th> Outcome </Th> <Td> The successful development of nuclear weapons . </Td> </Tr> </Table>
when did the soviet union develop a nuclear weapon
when did the soviet union develop a nuclear weapon
1940 -- 49
1940 -- 49