<Table> <Tr> <Th colspan="2"> United States Constitution </Th> </Tr> <Tr> <Td colspan="2"> Page one of the original copy of the Constitution </Td> </Tr> <Tr> <Th> Created </Th> <Td> September 17 , 1787 </Td> </Tr> <Tr> <Th> Ratified </Th> <Td> June 21 , 1788 </Td> </Tr> <Tr> <Th> Date effective </Th> <Td> March 4 , 1789 ; 229 years ago ( 1789 - 03 - 04 ) </Td> </Tr> <Tr> <Th> Location </Th> <Td> National Archives , Washington , D.C. </Td> </Tr> <Tr> <Th> Author ( s ) </Th> <Td> Philadelphia Convention </Td> </Tr> <Tr> <Th> Signatories </Th> <Td> 39 of the 55 delegates </Td> </Tr> <Tr> <Th> Purpose </Th> <Td> To replace the Articles of Confederation ( 1777 ) </Td> </Tr> </Table>
<Table> <Tr> <Th colspan="2"> United States Constitution </Th> </Tr> <Tr> <Td colspan="2"> Page one of the original copy of the Constitution </Td> </Tr> <Tr> <Th> Created </Th> <Td> September 17 , 1787 </Td> </Tr> <Tr> <Th> Ratified </Th> <Td> June 21 , 1788 </Td> </Tr> <Tr> <Th> Date effective </Th> <Td> March 4 , 1789 ; 229 years ago ( 1789 - 03 - 04 ) </Td> </Tr> <Tr> <Th> Location </Th> <Td> National Archives , Washington , D.C. </Td> </Tr> <Tr> <Th> Author ( s ) </Th> <Td> Philadelphia Convention </Td> </Tr> <Tr> <Th> Signatories </Th> <Td> 39 of the 55 delegates </Td> </Tr> <Tr> <Th> Purpose </Th> <Td> To replace the Articles of Confederation ( 1777 ) </Td> </Tr> </Table>
when was the us constitution signed into law
when was the us constitution signed into law
June 21 , 1788
June 21 , 1788