Historical leader, English, brought in token European (8)

I believe the answer is:

seigneur

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'historical leader' is the definition.
The definition and answer can be both people as well as being singular nouns.
Maybe you can see an association between them that I can't see?

'english brought in token european' is the wordplay.
'english' becomes 'e' (abbreviation).
'brought in' indicates putting letters inside.
'token' becomes 'sign' (I've seen this before).
'european' becomes 'eur' (common abbreviation).
'e' going inside 'sign' is 'seign'.
'seign'+'eur'='SEIGNEUR'

Can you help me to learn more?

(Another definition for seigneur that I've seen is " Feudal lord".)

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