The descendants of soldiers who fought at the Battle of Bosworth are being sought by a Leicestershire council.
The Battle of Bosworth, fought in August 1485, ended decades of English civil war now known as the Wars of the Roses.
The county council is now celebrating the battle's 525th anniversary by launching an international search for the descendants of soldiers.
A special anniversary re-enactment is being held later this month.
Accounts suggest up to 28,000 soldiers fought in the battle.
Some of the key families with traceable connections to the Battle of Bosworth will be invited to attend the event which is being held on 21 and 22 August.
Curator of the county council-run Bosworth Battlefield Heritage Centre, Richard Knox, said:
"We have a list of names of men who fought at the battle from sources, including the Italian historian Polydore Vergil, but we know very little else about them."
"We would love to hear from families who believe their ancestors are connected to the battle and start to add some flesh to the bones of the Bosworth story."
A long-running debate over the true location of the battle prompted a £1m, four-year project to be set up.
Proof of the battle field location through artifacts including a tiny silver badge pinpointed the exact site of the battle. Maps and Pictures
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