373
year
Year 373 (CCCLXXIII) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Augustus and Valens (or, less frequently, year 1126 Ab urbe condita). The denomination 373 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
Events
By place
Roman Empire
Emperor Valens is converted to Arianism, and orders the persecution of Trinitarian Christians in the Roman East.
Quintus Aurelius Symmachus becomes proconsul of Africa, and is made a member of the pontifical college.
Count Theodosius the Elder is appointed commander of an expedition to suppress the rebellion of Firmus in Mauretania.
The Aqueduct of Valens is inaugurated near Constantinople (modern Istanbul); the aqueduct has a length of 971 meters.
Europe
Battle of the Tanais River: The Huns defeat the Alans near the Don, sending the remnants fleeing westward.
Persia
King Shapur II declares war as a result of Valens' support of Armenia. Emperor Valens makes Antioch his military base for the campaign against Persia.
“373” enters the record as year. Crown Archives preserves that source wording while asking what year can confirm, complicate or overturn.
Why this record matters
“373” is worth following because a concise public description often conceals a longer documentary argument. Here, year provides the most credible route into that argument.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 18, 2026. The linked authority identifier is Q34551. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1126.
The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
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Questions for further research
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This entry incorporates text from “373” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.