 legio quarta decima gemina martia victrix (the fourteenth victorious twin legion of the god mars) was a legion of the roman empire, levied by julius caesar in 57 b.c. the cognomen gemina (twin in latin) suggests that the legion resulted from fusion of two previous ones, one of them being the fourteenth legion that fought in the battle of alesia, the other being the martia (martian) legion. in the roman numbering system four was rendered iiii more often than iv, hence legio xiiii. the cognomen victrix (victorious) was added by augustus following their service in the pannonian war c. a.d. 9. the emblem of the legion was the capricorn,l. j. f. keppie, legions and veterans: roman army papers 1971â2000, page 128. as with many of the legions levied by caesar, or the crossed thunderbolts of jupiter. ==under caesar== the xiiii g.m.v was raised by caesar in cisalpine gaul during his raids into, and conquest of, gaul. their enlistment term was for 16 years, as per the other legions (though augustus raised that to 20). for years after the massacre at atuatuca,{{cite web |url= http://w
Comitatenses Military_units_and_formations_established_in_the_1st_century_BC Roman_legions Roman_legions_in_Britain