Tetrarchy Codexery — Data & Quality

We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.

Last full accuracy audit: 2026-09-08 · 25 entries checked · 17 flagged · 31 issues confirmed · 17 corrected · 14 still open

Recent findings (audit lane, verbatim)

Allectus — The entry says Constantius's forces sailed in 'multiple divisions' and that 'another of Constantius's divisions' intercepted Allectus's army; historically, the invasion force consisted of two main divisions (Constantius's and Asclepiodotus's), and Allectus's r

Allectus — The entry claims 'A group of Roman troops separated by fog later massacred remnants of Allectus's men, mostly Franks, at Londinium.' This is inaccurate: the troops that massacred the remnants were part of Constantius's own division (not separated by fog), and

Bassianus (executed by Constantine) — The date of Bassianus's execution is given as 316 AD, but the widely accepted historical consensus places it in 314 AD.

Carausius — Carausius's full name is Marcus Aurelius Mausaeus Carausius, but the standard historical record does not include 'Mausaeus' as part of his attested name; it is more commonly given as Marcus Aurelius Carausius or simply Carausius.

Carausius — The claim that Carausius issued 'the first proper silver coins in generations' is an overstatement; while his silver coins (denarii or antoniniani) were of higher purity than many contemporary issues, they were not the first proper silver coins in generations—

Centres of governance in the Roman Empire — The statement 'After 312 AD no other emperor in that century resided in Rome' is inaccurate because emperors such as Constantius II and Gratian resided in Rome later in the 4th century.

Centres of governance in the Roman Empire — The claim 'Constantinople was dedicated by Constantine the Great in 330 AD and became the permanent seat of the emperor in the east starting with Theodosius I' is misleading because Constantine and his successors (e.g., Constantius II, Valens) used it as their

Conference of Carnuntum — The entry states that Licinius was appointed the new western Augustus and tasked with overthrowing Maxentius, but historically Licinius was appointed Augustus of the West with the primary task of dealing with Maxentius, not necessarily overthrowing him immedia

Conference of Carnuntum — The entry says Constantine was demoted again to the rank of western caesar, but historically Constantine had never been officially recognized as augustus by Galerius, so he was confirmed as caesar at Carnuntum, not demoted from augustus.

Constantine II (emperor) — The entry states Constantine II was born in 316, but the widely accepted date is 317.

Constantine II (emperor) — The entry says he served as consul four times in 320, 321, 324, and 329, but omits his fifth consulship in 339.

Constantius Chlorus — The entry states Constantius campaigned 'beyond the Antonine Wall' in 305–306, but the Antonine Wall was abandoned long before and there is no reliable evidence for this specific claim.

Crispus — Crispus was not married to a woman named Helena; there is no historical evidence for a wife named Helena or a son named Flavius.

Open data

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Corrections

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