Custom of the March References Custom of the March English history 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: Wales/ Norman infiltration…give the lords, under “the custom of the March,” extensive powers in their lordships and a large measure of autonomy in their relations with the king of England. Read More…give the lords, under “the custom of the March,” extensive powers in their lordships and a large measure of autonomy in their relations with the king of England. Read More