<Table> <Tr> <Th_colspan="2"> Sagarmatha National Park </Th> </Tr> <Tr> <Td_colspan="2"> IUCN category II (national park) </Td> </Tr> <Tr> <Td_colspan="2"> Entrance sign </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Location </Th> <Td> Nepal </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 27 ° 56 ′ N 86 ° 44 ′ E ﻿ / ﻿ 27.933 ° N 86.733 ° E ﻿ / 27.933; 86.733 Coordinates: 27 ° 56 ′ N 86 ° 44 ′ E ﻿ / ﻿ 27.933 ° N 86.733 ° E ﻿ / 27.933; 86.733 </Td> </Tr> <Tr> <Th> Area </Th> <Td> 1,148 km (443 sq mi) </Td> </Tr> <Tr> <Th> Established </Th> <Td> July 19, 1976 </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Th_colspan="2"> UNESCO World Heritage Site </Th> </Tr> <Tr> <Th> Criteria </Th> <Td> Natural: (vii) </Td> </Tr> <Tr> <Th> Reference </Th> <Td> 120 </Td> </Tr> <Tr> <Th> Inscription </Th> <Td> 1979 (3rd Session) </Td> </Tr> <Tr> <Td_colspan="2"> (edit on Wikidata) </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> </Table> <Tr> <Th_colspan="2"> Sagarmatha National Park </Th> </Tr>

When was sagarmatha national park enlisted in world heritage list