Disambiguation evidence for Duchy of Oldenburg via surface form

"Free State of Oldenburg"

Triples (2)

Triples where some other subject referred to this entity as "Free State of Oldenburg".

Duchy of Oldenburg → dissolvedInto →

↳ resolves to Duchy of Oldenburg

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Duchy of Oldenburg → succeededBy →

"Free State of Oldenburg"

↳ resolves to Duchy of Oldenburg

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