<prompt> Ramba uchiverenga ndima iyi - Rwizi rwaishandiswa naMambo Alexander Severus muhondo yake ya235 yaakarwa neSasanids. Gare gare boka racho raizobatanidzwa muhondo yaAlexander Severus paRhine Frontier. Chaizvoizvo chaibatanidzwa muhondo dzaGallienus mukurwisana navaFrank muma250. L. Petronius Taurus Volusianus, uyo akazova Mutungamiriri wePraetorian muna 260 uye Mutungamiriri weUrban pakati pemakore ekuma260, aive Primus Pilus weboka panguva ino. Rakatsigira Umambo hweGallic hwaPostumus 260274 uye pasina mubvunzo rakatambura kurasikirwa kukuru apo Aurelian akakunda Tetricus I muhondo ine ropa paMinda yeCatalaunian  <response>: Châlons-en-Champagne muna 274. 