<Table> <Tr> <Th_colspan="2"> Walls of Dubrovnik </Th> </Tr> <Tr> <Td_colspan="2"> Dubrovačke gradske zidine </Td> </Tr> <Tr> <Td_colspan="2"> Dubrovnik, Croatia </Td> </Tr> <Tr> <Td_colspan="2"> Walls of Dubrovnik with sight on Minčeta Tower </Td> </Tr> <Tr> <Td_colspan="2"> Walls of Dubrovnik </Td> </Tr> <Tr> <Th> </Th> <Td> 42 ° 38 ′ 24" N 18 ° 06 ′ 29" E ﻿ / ﻿ 42.640 ° N 18.108 ° E ﻿ / 42.640; 18.108 </Td> </Tr> <Tr> <Th> Type </Th> <Td> Walls </Td> </Tr> <Tr> <Th> Height </Th> <Td> Up to 25 m (82 ft) </Td> </Tr> <Tr> <Th_colspan="2"> Site information </Th> </Tr> <Tr> <Th> Owner </Th> <Td> City of Dubrovnik, Croatia </Td> </Tr> <Tr> <Th> Controlled by </Th> <Td> Republic of Ragusa (Dubrovnik) </Td> </Tr> <Tr> <Th> Open to the public </Th> <Td> Daily 9 am--5 pm (May - mid October until 7 pm) </Td> </Tr> <Tr> <Th> Condition </Th> <Td> Well - preserved or intact </Td> </Tr> <Tr> <Th_colspan="2"> Site history </Th> </Tr> <Tr> <Th> Built </Th> <Td> 7th century--17th century Defined in the 14th century </Td> </Tr> <Tr> <Th> Built by </Th> <Td> <P> Dubrovnik citizens Architects involved: </P> <Ul> <Li> 1319 Nicifor Ranjina </Li> <Li> 1461--1464 Michelozzo di Bartolomeo </Li> <Li> 1465--1466 Giorgio da Sebenico (Croatian: Juraj Dalmatinac) </Li> <Li> 1466--1516 Paskoje Miličević </Li> <Li> 1538 Antonio Ferramolino </Li> <Li> 1617 Mihajlo Hranjac </Li> </Ul> </Td> </Tr> <Tr> <Th> Materials </Th> <Td> Limestone </Td> </Tr> <Tr> <Th> Events </Th> <Td> <P> Notable non-battle events: </P> <Ul> <Li> Foundation of Republic in 1358 </Li> <Li> Strong earthquake in 1667 </Li> <Li> Marshal Marmont abolished the Republic of Ragusa in 1808 </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Walls of Dubrovnik </Th> </Tr>

When was the old city of dubrovnik built