Notitia Dignitatum
The Notitia Dignitatum ("The List of Offices") details the administrative organization of the later Eastern and Western Empire. It describes several thousand offices from the imperial court down to the provincial level, diplomatic missions and army units. It lists all major "dignities" with their location and their officium staff. These are organised by:
Court officials (including the most senior dignitaries such as praetorian prefects).
Vicars and provincial governors, arranged by praetorian prefecture and diocese.
Military commanders (magistri militum, comites rei militaris and duces), showing the full titles and stations of their regiments.
Court officials (including the most senior dignitaries such as praetorian prefects).
Vicars and provincial governors, arranged by praetorian prefecture and diocese.
Military commanders (magistri militum, comites rei militaris and duces), showing the full titles and stations of their regiments.
The Notitia presents four main problems, as regards the study of the Empire's military establishment:
It depicts the Roman army at the end of the 4th century. Therefore, its development from the structure of the Principate is largely conjectural, owing to the lack of other evidence.
It was compiled at two different times. The Eastern section apparently dates from c. 395 AD; the Western from c. 420 AD. Furthermore, each section relies on data stretching back as far as twenty years. The Eastern section may contain data from as early as 379, the start of the rule of Theodosius I. The Western section contains data from as early as c400: for example, it shows units deployed in Britain, which must date from before 410, when Roman officialdom lost control in the island. In consequence, there is substantial duplication, with the same unit often listed under different commands. It is impossible to ascertain whether these were detachments of the same unit in different places at the same time, or the same whole unit at different times. Also, it is likely that some units only existed on paper or contained just a skeleton personnel.
The Notitia has many sections missing and lacunae (gaps) within sections. This is doubtless due to accumulated text losses and copying errors as it was repeatedly copied over the centuries: the earliest manuscript we possess today dates from the 15th century. The Notitia cannot therefore provide a comprehensive listing of all units in existence.
The Notitia does not contain any personnel figures. Therefore, the size of individual units, and of the various commands, cannot be ascertained, as we have little other evidence of unit sizes at this time. In turn, this makes it impossible to assess accurately the overall size of the army. Depending on the strength of units, the late 4th century army may, at one extreme, have equalled the size of the 2nd century force (i.e. over 400,000 men); at the other extreme, it may have been far smaller. For example, the forces deployed in Britain c. 400 may have been just 18,000 against c. 55,000 in the 2nd century.
It depicts the Roman army at the end of the 4th century. Therefore, its development from the structure of the Principate is largely conjectural, owing to the lack of other evidence.
It was compiled at two different times. The Eastern section apparently dates from c. 395 AD; the Western from c. 420 AD. Furthermore, each section relies on data stretching back as far as twenty years. The Eastern section may contain data from as early as 379, the start of the rule of Theodosius I. The Western section contains data from as early as c400: for example, it shows units deployed in Britain, which must date from before 410, when Roman officialdom lost control in the island. In consequence, there is substantial duplication, with the same unit often listed under different commands. It is impossible to ascertain whether these were detachments of the same unit in different places at the same time, or the same whole unit at different times. Also, it is likely that some units only existed on paper or contained just a skeleton personnel.
The Notitia has many sections missing and lacunae (gaps) within sections. This is doubtless due to accumulated text losses and copying errors as it was repeatedly copied over the centuries: the earliest manuscript we possess today dates from the 15th century. The Notitia cannot therefore provide a comprehensive listing of all units in existence.
The Notitia does not contain any personnel figures. Therefore, the size of individual units, and of the various commands, cannot be ascertained, as we have little other evidence of unit sizes at this time. In turn, this makes it impossible to assess accurately the overall size of the army. Depending on the strength of units, the late 4th century army may, at one extreme, have equalled the size of the 2nd century force (i.e. over 400,000 men); at the other extreme, it may have been far smaller. For example, the forces deployed in Britain c. 400 may have been just 18,000 against c. 55,000 in the 2nd century.
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Notitia Dignitatum. 1542-1551
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Late Roman Shield Patterns taken from the Notitia Dignitatum
The Notitia Dignitatum Page
Medieval Sourcebook: Notitia Dignitatum
The Notitia Dignitatum Page
Medieval Sourcebook: Notitia Dignitatum
