Webster's New World College Dictionary, 5th Edition
hepta- + -archy
Heptarchy Sentence Examples
During the Heptarchy what is now the shire formed part of Mercia; by the treaty of Wedmore, however, it became Danish territory, but was recovered by King Edward (919-921).
The state of the island was much like that of England in the days of the Heptarchy: occasionally a High King succeeded in forcing his rivals into a precarious submission; more usually there was not even a pretence of a central authority in the island, and the annals of objectless tribal wars formed its sole history.
The kingdom was soon acknowledged as the most important of the Anglo-Saxon heptarchy, (the 7 English kingdom's of that time ).
Eventually the invading tribes coalesced into seven main kingdoms known as the Heptarchy.