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Second Battle of Porto

1809 battle during the Peninsular War

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History and societyInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 23, 2026
Entity authorityQ233405 ↗
Source-derived summary

The Second Battle of Porto, also known as the Battle of the Douro or the Crossing of the Douro, took place on 12 May 1809. General Arthur Wellesley's Anglo-Portuguese Army defeated Marshal Soult's French troops and took back the city of Porto. After taking command of the British troops in Portugal on 22 April, Wellesley (later named 1st Duke of Wellington, Marquess Douro) immediately advanced on Porto and made a surprise crossing of the Douro River, approaching Porto where its defences were weak. Soult's late attempts to muster a defence were in vain. The French quickly abandoned the city in a disorderly retreat.This battle ended the Second French invasion of Portugal. Soult soon found his retreat route to the east blocked and was forced to destroy his guns and burn his baggage train. Wellesley pursued the French army, but Soult's army escaped annihilation by fleeing through the mountains.

Background

The Second Portuguese campaign had started with the Battle of Braga.

French occupation

In the First Battle of Porto (28 March 1809), the French under Marshal Soult defeated the Portuguese under Generals Lima Barreto and Parreiras outside the city of Porto. After winning the battle, Soult stormed the city.

Editorial summary

Begin with the source’s own compact description: “Second Battle of Porto” is 1809 battle during the Peninsular War. The dossier treats that line as a proposition to test through Second, Battle and Porto, not as a finished interpretation.

Editorial reviewMost valuable as an event-and-institution map that identifies actors, dates and record creators for deeper historical inquiry. The current lead gives the account dated anchors—1809—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Second, Battle and Porto is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “1809 battle during the Peninsular War” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Chronology, provenance and viewpoint should be read together before a broad social or political interpretation is accepted. The source revision retrieved here is dated Aug 23, 2026. The linked authority identifier is Q233405. Authority coordinates are 41.149, -8.611. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1809.

Critical limits

Institutional narratives can privilege the records that survived while minimizing voices that were never formally collected. 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

Compare institutional narratives with records created by participants and affected communities. Dates and formal titles are useful anchors, but not substitutes for context.

Best used for
  • Event chronology
  • Institutional context
  • Locating named record creators
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Contemporary correspondence, government or organizational records, oral histories and cited historical scholarship.

Three-step research path

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  2. Expand the search: follow Second Battle of Porto primary sources, Second Battle of Porto archive and Second research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

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Source & attribution

This entry incorporates text from “Second Battle of Porto” 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.