←  Republic of Venice←  Papal States (Holy See)
|
 Kingdom of Sardinia →  Duchy of Modena and Reggio →  Papal States (Holy See) →
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Treaties concluded by the 
Kingdom of Italy (Napoleonic) (1805–14).
| ← Republic of Venice ← Papal States (Holy See)
|
Kingdom of Sardinia → Duchy of Modena and Reggio → Papal States (Holy See) →
|
Treaties concluded by the Kingdom of Italy (Napoleonic) (1805–14).