Legion IX References Legion IX Roman military Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: United Kingdom/ The conquestLegion IX advanced into Lincolnshire, and Legion XIV probably across the Midlands toward Leicester. Colchester was the chief base, but the fortresses of individual legions at this stage have not yet been identified. Read MoreLegion IX advanced into Lincolnshire, and Legion XIV probably across the Midlands toward Leicester. Colchester was the chief base, but the fortresses of individual legions at this stage have not yet been identified. Read More