Changes
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== BC centuries =={| class="wikitable"! style="width:6en" | Year || style="width:15en" | Date || Event|-| 122 || || Romans construct the [[Hadrian's Wall]].|-| 143 || || Romans construct the [[Antonine Wall]].|-| 163 || || Romans withdraw south to [[Trimontium (Newstead)|Trimontium]] and [[Hadrian's Wall]].|}== 1st century AD ==
{| class="wikitable"
! style="width:6en;align:right" | Year || style="width:15en" | Date || Event
