When in Rome, do as the Romans do
Proverb attributed to Saint Augustine
"When in Rome, do as the Romans do" (Medieval Latin: Sī fuerīs Rōmae, Rōmānō vīvitō mōre; sī fuerīs alibī, vīvitō sīcut ibī), often shortened to when in Rome..., is a proverb attributed to Saint Ambrose. The proverb means that it is best to follow the traditions or customs of a place being visited. A later version reads when in Rome, do as the Pope does.
Background
In the 4th century, Saint Monica and her son, Saint Augustine, discovered that Saturday was observed as a fast day in Rome, where they planned to visit. However, it was not a fast day where they lived in Milan. They consulted Saint Ambrose who said "When I am here (in Milan) I do not fast on Saturday, when in Rome I do fast on Saturday". That reply is said to have brought about the saying "When in Rome, do as the Romans do".
“When in Rome, do as the Romans do” enters the record as proverb attributed to Saint Augustine. Crown Archives preserves that source wording while asking what When, Rome and Romans can confirm, complicate or overturn.
Why this record matters
“When in Rome, do as the Romans do” is worth following because a concise public description often conceals a longer documentary argument. Here, When, Rome and Romans provides the most credible route into that argument.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 20, 2026. The linked authority identifier is Q30324634. None of the 0 selected statements returned an explicit reference.
A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. 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.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “When in Rome, do as the Romans do”, its source revision and the description used here.
- Expand the search: follow When in Rome, do as the Romans do primary sources, When in Rome, do as the Romans do archive and When research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “When in Rome, do as the Romans do”?
- What terminology or title could unlock a more precise catalogue search?
- Which institution is responsible for the underlying evidence?
Search terms from this dossier
This entry incorporates text from “When in Rome, do as the Romans do” 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.