– as a springboard to his rear offensive against the Astures. Romanization In the later part of the 1st century BC military colonies were established and the pacified Gallaeci tribes were re-organized by Augustus into the new province of Gallaecia (Greek: Kallaikia), with the colony of Bracara Augusta (Braga) as its provincial capital. Gallaecia during the Empire became a recruiting district of auxiliary troops (auxilia) for the Roman Army and Gallaican auxiliary cavalry (equitatae) and infantry (peditatae) units (Cohors II Lucensium, Cohors III Lucensium, Cohors I Bracaraugustanorum, Cohors III Bracaraugustanorum, Cohors III Callaecorum Bracaraugustanorum, Cohors V Callaecorum Lucensium, Cohors VI Braecarorum, Cohors I Asturum et Callaecorum) distinguished themselves during Emperor Claudius' conquest of Britain in AD 43-60. The region remained one of the last redoubts of Celtic culture and language in the Iberian Peninsula well into the Roman imperial period, at least until the spread of Christianity and the Germanic invasions of the late 4th/early 5th centuries AD, when it was conquered by the Suevi and their Hasdingi Vandals' allies. See also Albiones Astures Cantabri Celtici Gallaecia Gallaecian language Gallaecian warrior statues Galician Institute for Celtic Studies Prehistoric Iberia Pre-Roman peoples of the Iberian Peninsula Notes References Ángel Montenegro et alii, Historia de España 2 - colonizaciones y formación de los pueblos prerromanos (1200-218 a.C), Editorial Gredos, Madrid (1989) André Pena Granha, "A CULTURA CASTREXA INEXISTENTE. CONSTITUIÇÃO POLÍTICA DAS GALAICAS TREBA". Cátedra, Pontedeume (2014) Armando Coelho Ferreira da Silva, A Cultura Castreja no Noroeste de Portugal, Museu Arqueológico da Citãnia de Sanfins, Paços de Ferreira (1986) Francisco Manuel Veleda Reimão Queiroga, War and castros: new approaches to the north-western Portuguese Iron Age, BAR International Series, Archaeopress, Oxford (2003) José Manuel Coutinhas, Aproximação à identidade etno-cultural dos Callaici Bracari, Porto (2006) Further reading Daniel Varga, The Roman Wars in Spain: The Military Confrontation with Guerrilla Warfare, Pen & Sword Military, Barnsley (2015) Mário Varela Gomes & Armando Coelho Ferreira da Silva, Proto-História de Portugal, Universidade Aberta, Lisboa (1995) Martín Almagro-Gorbea, José María Blázquez Martínez, Michel Reddé, Joaquín González Echegaray, José Luis Ramírez Sádaba, and Eduardo José Peralta Labrador (coord.), Las Guerras Cántabras, Fundación Marcelino Botín, Santander (1999) Leonard A.Curchin, Roman Spain – Conquest and assimilation, Routledge, an imprint of Taylor & Francis Books Ltd, London (1991) Luis Berrocal-Rangel, Los pueblos célticos del soroeste de la Península Ibérica, Editorial Complutense, Madrid (1992) Luis Silva, Viriathus and the Lusitanian resistance to Rome 155-139