The archaelogist and scolar Giovanni Battista Passeri had an important archaeological collection, which he wanted to put under the wings of a public museum.

Thus, both institutions were created mid 18th century and form the Ente Oliveriana, housed in a former aristocratic residence, the Palazzo Almerici, of seventeenth-century origin.

The building, completed by the Olivieri family in the eighteenth century, later belonged to the Almerici and Mamiani families. In 1884 it was purchased by the Municipality and since 1892 it has housed the Oliverian Library and the Oliveriana Archaeological Museum. 

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