<Tr> <Td> Lelantine War </Td> <Td> - 999999999290 - 01 - 01 - 0000 710 BC </Td> <Td> - 999999999350 - 01 - 01 - 0000 650 BC </Td> <Td> 60 years </Td> </Tr> <Tr> <Td> Italian unification </Td> <Td> 000000001815 - 01 - 01 - 0000 1815 </Td> <Td> 000000001871 - 01 - 01 - 0000 1871 </Td> <Td> 56 years </Td> </Tr> <Tr> <Td> South Thailand insurgency </Td> <Td> 000000001960 - 01 - 01 - 0000 1960 </Td> <Td> Ongoing </Td> <Td> 58 years </Td> </Tr> <Tr> <Td> Xinjiang conflict </Td> <Td> 000000001960 - 01 - 01 - 0000 1960 </Td> <Td> Ongoing </Td> <Td> 58 years </Td> </Tr>

Longest fought conflict in the last 500 years