As the third monarch of Rome, reigning from 673 BC until his death in 642 BC, Hostilius was known to enforce a host of new strategies and regulations. He centered his approach on military strength and expansion, distinguishing him significantly from his predecessor.
In his sovereignty, Hostilius adopted a belligerent stance on territorial gains, which was reflected in Rome’s interactions with its neighboring enclaves. This strategic action led to the decisive war against Alba Longa, and subsequently the incorporation of the city’s population into Rome.
The capture of Alba Longa is among his most noteworthy influences, marking the first significant territorial annexation by Rome. Hostilius also instigated the construction of the Curia Hostilia, known as the place of senatorial meetings, reflecting his goal of consolidating Rome’s burgeoning political structure.
Furthermore, he modified the Roman political composition by incorporating Alban nobility into the Roman Senate, a precedent which had lasting impact on the ethnic makeup and political structure of the city. His reign, therefore, could be squarely defined by active military aggression, territorial annexation, and strategic political integration.
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