...2.0 kyr continuous industrial worksite Bigo, Uganda H.s.
2.0 kyr grammar text Greece H.s.
3.0 kyr census Israel H.s.
3.0 kyr iron mine Hungary H.s.
4.0 kyr oldest song Ur, Iraq H.s.
4.5 kyr Maya farming Belize H.s.
4.8 kyr fixed calendrical date Egypt H.s.
5.0 kyr extrabibilcal person's name Egypt H.s.
6.0 kyr iron object Egypt H.s.
6.0 kyr existant ship England H.s....