<Table> Convention on the Rights of the Child <Tr> <Td_colspan="2"> Parties to the convention Only signed, but not ratified Non-signatory </Td> </Tr> <Tr> <Th> Signed </Th> <Td> 20 November 1989 </Td> </Tr> <Tr> <Th> Location </Th> <Td> New York City </Td> </Tr> <Tr> <Th> Effective </Th> <Td> 2 September 1990 </Td> </Tr> <Tr> <Th> Condition </Th> <Td> 20 ratifications </Td> </Tr> <Tr> <Th> Signatories </Th> <Td> 140 </Td> </Tr> <Tr> <Th> Parties </Th> <Td> 196 (all eligible states except the United States) </Td> </Tr> <Tr> <Th> Depositary </Th> <Td> UN Secretary - General </Td> </Tr> <Tr> <Th> Languages </Th> <Td> Arabic, Chinese, English, French, Russian, Spanish </Td> </Tr> <Tr> <Td_colspan="2"> UN Convention on the Rights of the Child at Wikisource </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Parties to the convention Only signed, but not ratified Non-signatory </Td> </Tr>

When was the united nations convention on the rights of the child created
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