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12000 BCE
11500 BCE
11000 BCE
10500 BCE
10000 BCE
9500 BCE
9000 BCE
8500 BCE
8000 BCE
7500 BCE
7000 BCE
6500 BCE
6000 BCE
5500 BCE
5000 BCE
4500 BCE
4000 BCE
3500 BCE
3000 BCE
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500 CE
12000 BCE: Paleolithic seasonal camp at Howburn Farm in Biggar, Scotland, visited regularly.
10500 BCE - 7000 BCE: Mesolithic settlements established (many seasonal) in Scotland.
6500 BCE: Possibly the last time there was a land bridge between Britain and the continent.
6000 BCE: Bones and antlers used as tools, ring and cup marks on stones begin appearing in Scotland.
3500 BCE: The vast stone complex known as the Ness of Brodgar in use in Orkney.
3100 BCE: Neolithic village of Skara Brae inhabited.
3100 BCE - 2500 BCE: Megalithic Period in which majority of standing stone sites were constructed.
3000 BCE - 2800 BCE: The Neolithic chambered cairn known as Maeshowe constructed and in use.
2500 BCE: Migration of the so-called Beaker People to Scotland.
2000 BCE - 1500 BCE: Wessex culture introduces bronze working to Britain.
2000 BCE - 1400 BCE: Early Bronze Age in Scotland.
1400 BCE - 900 BCE: Middle Bronze Age in Scotland.
900 BCE - 400 BCE: Late Bronze Age in Scotland.
900 BCE: Celtic Migration begins in Europe with many Celts landing in Scotland.
55 BCE - 54 BCE: Julius Caesar's expeditions in Britain.
55 BCE: Caesar attempts to invade Britain.
54 BCE: Caesar successfully invades Britain but withdraws to Gaul.
54 BCE - 43 CE: Roman influence grows in Britain owing to trade.
43 CE: Romans invade Britain under Aulus Plautius.
43 CE - 47 CE: Romans conquer South Britain and claim the territory as part of Roman Empire.
43 CE: Claudian invasion of Britain, includes the Legio II Augusta.
51 CE: Briton rebel leader Caratacus defeated, rebellion crushed.
60 CE - 61 CE: Boudicca's Revolt in Britain.
60 CE - 61 CE: Boudicca revolts, the Legio II Augusta does not respond to a call to arms.
75 CE - 77 CE: Romans defeat the last of the Northern tribes; Roman conquest of Britain complete.
122 CE: Construction begins on Hadrian's Wall.
142 CE: The Antonine Wall built under Antoninus Pius, north of Hadrian's Wall.
286 CE: Naval commander Carausius (Marcus Aurelius Mausaeus Valerius Carausius) declares himself emperor in Britain and Northern Gaul.
293 CE: Emperor Carausius assassinated by Allectus.
410 CE: Rome withdraws forces from Britain.
450 CE: Angles and Saxons settle Britain.
500 CE: Kingdom of Dal Riada conquers the region of Scotland.