Archaeologists had finished excavations on the Ridgeway, ahead of the building of the Weymouth relief road, when skulls started appearing underneath a hedge being removed during embankment work.
Scientists found evidence of violence, this jawbone showed signs it had been cut with a weapon.
Radiocarbon dating on the bones showed they were from between AD 890 and AD 1030, a time when there was considerable conflict between the resident Saxon population and invading Vikings.
Scientists believe a healed injury on the right leg bone found at the burial pit left it shorter than the left one.
There was also evidence of bone infections on many of the items unearthed by the archaeology team from Oxford at the site high on the Ridgeway Hill.
It is thought this vertebra was cut through with a sharp weapon. Many of the skeletons had been dismembered and "hacked" apart with swords.
Oxford Archaeology's excavation team worked on the chalk ridge while the construction of the relief road carried on around them.
The skulls of 51 young men were found. They had been "hacked off" with swords and put in a pile next to their bodies.
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