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Swan upping

ceremony

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 8, 2026
Entity authorityQ946858
Source-derived summary

Swan upping is an annual ceremony in England in which mute swans on the River Thames are rounded up, caught, ringed, and then released.

History

By prerogative right, the British Crown enjoys ownership of all unmarked mute swans in open water. Rights over swans may, however, be granted to a British subject by the Crown (accordingly they may also be claimed by prescription). Until the 16th century, the ownership of swans in a given body of water was commonly granted to landowners. The only bodies who still exercise such rights are two livery companies of the City of London, the Worshipful Company of Vintners and the Worshipful Company of Dyers, who thus share equally with the Crown in the number of swans in the Thames that they own. The tradition of swan upping on the Thames began in the 12th century.

Description

Swan upping is the traditional means by which the swans on the Thames are apportioned among the three proprietors. Its main practical purposes today are to conduct a census of swans and check their health. It occurs annually in the third week of July. Over five days, the Crown's, the Vintners' and the Dyers' respective 'swan uppers' row up the river in skiffs (in recent centuries from Sunbury to Abingdon).

Editorial summary

The public source identifies “Swan upping” as ceremony. This brief keeps that definition visible, then builds a research path around Swan, upping and ceremony.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current 212-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. Its value is orientation rather than verdict, with Swan, upping and ceremony providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Swan upping”, the useful work is to connect “ceremony” to the records capable of establishing context and consequence.

Evidence profile

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 Sep 8, 2026. The linked authority identifier is Q946858. None of the 0 selected statements returned an explicit reference.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. 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.

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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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Source & attribution

This entry incorporates text from Swan upping” 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.