<Table> <Tr> <Th_colspan="2"> Gate of All Nations </Th> </Tr> <Tr> <Td_colspan="2"> View of the Gate of All Nations palace </Td> </Tr> <Tr> <Th_colspan="2"> Basic information </Th> </Tr> <Tr> <Th> Location </Th> <Td> Persepolis, Marvdasht, Iran </Td> </Tr> <Tr> <Th> Geographic coordinates </Th> <Td> 29 ° 56 ′ 04" N 52 ° 53 ′ 29" E ﻿ / ﻿ 29.934444 ° N 52.891389 ° E ﻿ / 29.934444; 52.891389 Coordinates: 29 ° 56 ′ 04" N 52 ° 53 ′ 29" E ﻿ / ﻿ 29.934444 ° N 52.891389 ° E ﻿ / 29.934444; 52.891389 </Td> </Tr> <Tr> <Th> Sector </Th> <Td> Persepolis </Td> </Tr> <Tr> <Th> Municipality </Th> <Td> Marvdasht </Td> </Tr> <Tr> <Th> Territory </Th> <Td> Iran </Td> </Tr> <Tr> <Th> State </Th> <Td> Marvdasht </Td> </Tr> <Tr> <Th> Province </Th> <Td> Fars province </Td> </Tr> <Tr> <Th> Region </Th> <Td> 70 km northeast of the modern city of Shiraz in the Fars Province of modern Iran </Td> </Tr> <Tr> <Th> Ecclesiastical or organizational status </Th> <Td> in ruins </Td> </Tr> <Tr> <Th> Website </Th> <Td> http://whc.unesco.org/en/list/114 </Td> </Tr> <Tr> <Th> Architectural type </Th> <Td> Achaemenid architecture </Td> </Tr> <Tr> <Th> Materials </Th> <Td> stone </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Gate of All Nations </Th> </Tr> <Tr> <Td_colspan="2"> View of the Gate of All Nations palace </Td> </Tr>

When was the gate of all nations built