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The Bronze Age in Britain lasted from around 2500 BCE to approximately 700 BCE. Collections of metal items (called hoards) from all periods of the Bronze Age have been found in Britain, including the Arreton Down hoard of artifacts from the 17th century BCE, unearthed around 1735, and the much later Hollingbourne hoard of artifacts from the 10th century BCE, unearthed around 2003. Sometime in the Middle Bronze Age (approximately from the 14th century BCE to the 10th century BCE), metalsmiths in Britain began to develop swords for the first time. This fact helps explain why, whereas evidence of sword production was found in

both the Arreton Down hoard and the Hollingbourne hoard, only the latter included evidence of more refined sword production.

hoards discovered before 2003, no such evidence was found in hoards that were discovered later.

the Arreton Down hoard, no intact swords were found among the items in the hoard.

the Hollingbourne hoard, no such evidence was found in the Arreton Down hoard.