- QUADRILATERAL, THE
- the name given to a combination of four fortresses, or the space enclosed by them, in North Italy, at Mantua, Legnago, Verona, and Peschiera.

*The Nuttall Encyclopaedia.
James Wood.
1907.*

- QUADRILATERAL, THE
- the name given to a combination of four fortresses, or the space enclosed by them, in North Italy, at Mantua, Legnago, Verona, and Peschiera.

*The Nuttall Encyclopaedia.
James Wood.
1907.*

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