Duchy of Parma and Piacenza
State · 1815–1859 CE · at its largest around 1815 CE
A northern Italian duchy given to Napoleon's former empress Marie Louise and later restored to the Bourbon-Parma family before Italian unification.
On its lands while it lasted
- Piacenza (c. 1815 CE): Capital of Duchy of Parma and Piacenza (1815–1859).
- Parma (c. 1815 CE): Capital of Duchy of Parma and Piacenza (1815–1859).
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