band ed ▁the ▁leg ion , ▁retired ▁his ▁veter ans , ▁and ▁gave ▁them ▁far ml and ▁in ▁their ▁native ▁Italy . ▁ ▁Under ▁the ▁Empire ▁ ▁August us ▁reconst it uted ▁the ▁leg ion ▁once ▁again ▁in ▁ 4 1 ▁BC ▁to ▁deal ▁with ▁the ▁re bell ion ▁of ▁Se xt us ▁Pom pe ius ▁( son ▁of ▁Pom pe y ) ▁in ▁Sic ily . ▁ ▁Leg io ▁XIII ▁acquired ▁the ▁cogn omen ▁Gem ina ▁(" t win ", ▁a ▁common ▁app ell ation ▁for ▁leg ions ▁constit uted ▁from ▁port ions ▁of ▁others ) ▁after ▁being ▁rein for ced ▁with ▁veter an ▁leg ion aries ▁from ▁other ▁leg ions ▁following ▁the ▁war ▁against ▁Mark ▁Anton y ▁and ▁the ▁Battle ▁of ▁Act ium . ▁August us ▁then ▁sent ▁the ▁leg ion ▁to ▁Burn um ▁( mod ern ▁Kn in ), ▁in ▁Il ly ric um , ▁a ▁Roman ▁province ▁in ▁the ▁Adri atic ▁Sea . ▁ ▁In ▁ 1 6 ▁BC , ▁the ▁leg ion ▁was ▁transferred ▁to ▁Em ona ▁( now ▁L jub lj ana ) ▁in ▁P ann onia , ▁where ▁it ▁de alt ▁with ▁local ▁re bell ions . ▁ ▁After ▁the ▁dis aster ▁of ▁the ▁Battle ▁of ▁the ▁Te ut ob urg ▁Forest ▁in ▁AD ▁ 9 , ▁the ▁leg ion ▁was ▁sent ▁as ▁rein for c ements ▁to ▁August a ▁V ind el ic orum ▁( A ugs burg ), ▁and ▁then ▁to ▁V ind on issa , ▁Ra et ia , ▁to ▁prevent ▁further ▁attacks