▁the ▁traditional ▁region ▁of ▁C io ci aria , ▁it ▁is ▁known ▁for ▁its ▁meg al ith ic ▁ac ropol is . ▁ ▁History ▁The ▁area ▁of ▁the ▁modern ▁city ▁was ▁settled ▁as ▁early ▁as ▁the ▁ 2 nd ▁mill en ni um ▁BC . ▁ ▁A let rium ▁was ▁a ▁town ▁of ▁the ▁Hern ici ▁which , ▁together ▁with ▁Ver oli , ▁An ag ni ▁and ▁Fer ent ino , ▁formed ▁a ▁def ensive ▁league ▁against ▁the ▁Vol sci ▁and ▁the ▁Sam n ites ▁around ▁ 5 5 0 ▁BC . ▁In ▁ 5 3 0 ▁they ▁al lied ▁with ▁Tar qu ini us ▁Super bus ' ▁Rome , ▁confirm ing ▁the ▁E tr us can ▁influence ▁in ▁the ▁area ▁att ested ▁also ▁by ▁arch ae ological ▁find ings . ▁Al atri ▁was ▁defeated ▁by ▁Rome ▁in ▁ 3 0 6 ▁BC ▁and ▁forced ▁to ▁accept ▁the ▁citizens hip . ▁In ▁Cic ero ' s ▁time ▁it ▁was ▁a ▁municip ium ▁( an ▁ancient ▁coat ▁of ▁arms ▁can ▁be ▁seen ▁with ▁the ▁write ▁" S . P . Q . A ." ), ▁and ▁continued ▁in ▁this ▁position ▁throughout ▁the ▁imperial ▁period . ▁ ▁After ▁the ▁fall ▁of ▁the ▁Western ▁Roman ▁Empire , ▁the ▁city ▁decay ed , ▁the ▁only ▁respect ed ▁authority ▁being ▁represented ▁by ▁the ▁Christian ▁bishop . ▁During ▁the ▁reign ▁of ▁The odor ic ▁the ▁Great ▁( 5 th ▁century ▁AD ) ▁the ▁pat ric ian ▁Liber ius ▁promoted ▁the ▁construction ▁of ▁a ▁mon astic ▁community , ▁one ▁of