78. =Julius Agricola became governor.= He subdued and then conciliated the natives. 84. Agricola vanquished a Caledonian chief, named Galgacus, at the foot of the Grampians. 121. The emperor =Hadrian= drove back the northern barbarians, and =built a wall between the Solway Firth and the mouth of the Tyne=, for the purpose of preventing their incursions. 139. Lollius Urbicus constructed a rampart between the Firths of Forth and Clyde, called the wall of Antoninus. 209. The emperor Severus invaded Caledonia (Scotland) to chastise the people for their ravages in South Britain. 210. =Severus constructed a wall near that of Hadrian.= 211. Severus died at York. 286. =Carausius, admiral of the Roman fleet, threw off his allegiance, and became sovereign of Britain.= 294. Carausius slain by his minister, Allectus, who mounted the throne. 296. Allectus slain, and the country re-annexed to the Roman empire. 304. =St. Alban put to death for refusing to renounce Christianity.= 306. The emperor Constantius died at York. 368. Theodosius restored the discipline of the Roman troops in Britain, and drove back the Picts and Scots. 383. Maximus, a Roman general, proclaimed emperor in Britain. 388. Maximus defeated and slain in Italy. 410. The emperor Honorius informed the Britons that they must in future provide for their own defence. =END OF THE ROMAN DOMINION IN BRITAIN.= Britain under the Romans was divided into five provinces:--1. Britannia Prima, the country south of the Thames and the Bristol Channel. 2. Britannia Secunda, almost the same as the Principality of Wales. 3. Flavia Cæsariensis, the country north of the Thames, east of the Severn, and south of the Mersey and Humber. 4. Maxima Cæsariensis, the territory northward to the wall of Severus. 5. Valentia, the district between the wall of Severus and that of Antoninus. THE SAXON PERIOD. A.D. 449 TO 1066. 449. HENGIST AND HORSA, TWO JUTISH LEADERS, LANDED IN BRITAIN, at the request of Vortigern, a British chief, and drove back the Picts and Scots. 467. =Hengist founded the Kingdom of Kent.= 490. =Ella founded Sussex= (Sussex and a part of Surrey). 519. =Cerdic founded Wessex= (Western counties south of the Thames and Severn). 520. Battle of MOUNT BADON, in which Arthur defeated the Saxons. 527. =Erkenwin founded Essex= (Essex, Middlesex, part of Herts). 542. Arthur, the most heroic of the opponents of the Saxons, murdered by his nephew. 547. =Ida founded Bernicia= (Eastern side of Britain, from the Forth to the Tyne). 560. =Ella founded Deira= (Eastern side of Britain, from the Humber to the Tees). 571. =Uffa founded East Anglia= (Norfolk, Suffolk, Cambridge). 586. =Crida founded Mercia= (Central England). 597. Augustine, who was sent to Britain by Pope Gregory to spread Christianity among the Saxons, arrived in Kent. 600. About this time _Ethelbert, king of Kent, published the earliest code of Saxon laws extant_.