Russian and Chinese archaeologists could date it.
Mesolithic hunter-gatherer encampments are the first known settlements in the country, and archaeologists have dated an encampment near Biggar to around 8500 BC.
The village itself was first mentioned in the 14th century, although archaeologists have dated the castle back to the 12th century.
Much like Queen of Sheba's Bath, archaeologists date the palace to around the 6th or 7th century AD, some 150.
However, archaeologists have now dated the tomb to the 1st century AD.
There are examples of structures possibly dating from up to 3000 BC, the finest example being the standing stones at Callanish, but some archaeologists date the site as Bronze Age.
The rapier currently resides in the Tullie House Museum in Carlisle, and archaeologists date it as possibly being crafted as early as 1100 BC.
Until recent years, archaeologists had generally dated the eruption at around 1500 B.C.
Some archaeologists dated the rune stones on a fantastic age (about 8000 BC).
Mesolithic hunter-gatherer encampments formed the first known settlements, and archaeologists have dated a site near Biggar to around 8500 BC.