<Tr> <Td> Lake Placid </Td> <Td> United States </Td> <Td> North America </Td> <Td>--</Td> <Td> W013 XIII </Td> <Td> 1980 </Td> <Td> 000000002018 - 02 - 12 - 0000 February 12 </Td> <Td> 000000002018 - 02 - 24 - 0000 February 24 </Td> </Tr> <Tr> <Td> Moscow </Td> <Td> Soviet Union </Td> <Td> Europe </Td> <Td> S022 XXII </Td> <Td>--</Td> <Td> 000000002018 - 07 - 19 - 0000 July 19 </Td> <Td> 000000002018 - 08 - 03 - 0000 August 3 </Td> </Tr> <Tr> <Td> Sarajevo </Td> <Td> Yugoslavia </Td> <Td> Europe </Td> <Td>--</Td> <Td> W014 XIV </Td> <Td> 1984 </Td> <Td> 000000002018 - 02 - 07 - 0000 February 7 </Td> <Td> 000000002018 - 02 - 19 - 0000 February 19 </Td> </Tr> <Tr> <Td> Los Angeles </Td> <Td> United States </Td> <Td> North America </Td> <Td> S023 XXIII </Td> <Td>--</Td> <Td> 000000002018 - 07 - 28 - 0000 July 28 </Td> <Td> 000000002018 - 08 - 12 - 0000 August 12 </Td> </Tr>

When was the last time the united states hosted olympic games