Romans invade Scotland for the first time under Agricola and conduct a series of terror campaigns
Battle fought somewhere in Scotland between Roman legions and tribes
Romans start construction of Hadrian's Wall to keep Picts out of England
Antonine Wall in use
Romans abandon Scotland for the 2nd time
New Roman campaigns against the Caledonians
Crannogs were being used such as the example at Kenmore in Perthshire. Possibly to protect inhabitants. They also used Brochs as well
St Columba arrives on Iona
Reign of Kenneth McAlpin, the first King of Scotland
Reign of Donald I, King of the Picts