Disambiguation evidence for Ostflucht (east-to-west migration of Germans) via surface form

"Ostflucht (east-to-west migration of Germans)"

Triples (1)

Triples where some other subject referred to this entity as "Ostflucht (east-to-west migration of Germans)".

Prussian Eastern Provinces → historicalEvent →
"Ostflucht (east-to-west migration of Germans)"
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