Disambiguation evidence for City of Mainz via surface form

"Mainz was a major fortress of the Holy Roman Empire"

Triples (1)

Triples where some other subject referred to this entity as "Mainz was a major fortress of the Holy Roman Empire".

Siege of Mainz (1793) → cityStatus →
"Mainz was a major fortress of the Holy Roman Empire"
↳ resolves to City of Mainz
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