<prompt> Qedela umusho olandelayo: Ngesikhathi se-Crisis of the Third Century cishe ngo-260, uPostumus wasungula uMbuso waseGallic owawuphila isikhathi esifushane, owawuhlanganisa iNhlonhlo Yase-Iberia neBrithania, ngaphezu kweGaul uqobo. Izizwe zamaJalimane, amaFrank nama - Alamanni, zahlasela iGaul ngaleso sikhathi. UMbuso WamaGaul waphela ngokunqoba koMbusi u-Aurelian e  <response>: I-Châlons isendaweni engu-274. 