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O Forte de Caxias, hoje Estabelecimento Prisional de Caxias, visto da encosta em 2022. GualdimG, CC BY-SA 4.0

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O Forte de Caxias, hoje Estabelecimento Prisional de Caxias, visto da encosta em 2022. GualdimG, CC BY-SA 4.0

União das Freguesias de Oeiras e São Julião da Barra, Paço de Arcos e Caxias (Oeiras)

Caxias Fort — the political prison

The political prison of the Lisbon region: the South Redoubt for men from 1935, the North Redoubt for women from 1938. Eight prisoners escaped from here in Salazar’s armoured car in 1961, and the last political prisoners walked out of here in the early hours of 27 April 1974.

Today: Caxias PrisonThere is a marker at the siteOn one walk
See on the map

Caxias Fort, in Oeiras, had been a prison since 1916. According to the Memória Comum project, the South Redoubt passed to the political police in January 1935, for men, and the North Redoubt in May 1938, for women.1 From then on, women political prisoners spent the whole of their pre-trial detention and served their sentences here.2

The prison regime was harsh for everyone — isolation, letters and visits cut off, punishments in “muddy casemates, without air or light” — and particularly for the women prisoners. The Commemorative Commission for the 50 Years of 25 April describes it: two by two in the same room, for months or years, two hours of exercise a day, always with the same companion, meals in the cell, and visits in a visiting room with a pane of glass in between, unable to hug their children. Some had small children with them; others gave birth in prison.2

Among the many women who passed through here were Maria Lamas, kept in isolation for months in 1949; the doctor Cesina Bermudes; Albina Fernandes, who had her children, aged six and two, with her after she was arrested in December 1961;9 and Maria Alda Nogueira, who served almost ten consecutive years of her sentence.10 With Sofia Ferreira, Alda Nogueira ran the Portuguese Communist Party (PCP) cell in the prison, and in 1961 she smuggled out of here the “Caxias Manifesto”, thirteen letters addressed to women’s organisations around the world about the conditions of the women prisoners.2728

On 4 December 1961, eight communist activists escaped from the moat of the North Redoubt in the armoured Chrysler Imperial that had served Salazar, driven by António Tereso — who for months had passed himself off as a collaborator of the guards. The escape lasted little more than a minute.54

When the Aljube closed, in 1965, Caxias took in its prisoners, and from 1971 the DGS’s continuous interrogations were carried out in the South Redoubt, in rooms with tape recorders and sound systems.8 On the night of 31 December 1972, the police broke up the Capela do Rato vigil; fourteen of those detained went through the Civil Government and arrived here before dawn, to spend about a fortnight in the custody of the DGS. Among them were the architect Nuno Teotónio Pereira and only one woman, the librarian Maria Benedita Galamba de Oliveira.3334 It was here that the student Aurora Rodrigues, arrested on 3 May 1973, endured sixteen consecutive days of sleep torture.32

On 25 April, the DGS also held out at Caxias, and the release was delayed: the National Salvation Junta wanted to separate those imprisoned for ideological reasons from those accused of common crimes. “All or no one” (Ou todos ou ninguém), replied the prisoners. A committee of lawyers argued that all the acts were political, and near midnight on the 26th the order to release everyone came from the Junta. According to the newspaper República, the prisoners began to walk out at 00:30 on the 27th, and by one in the morning there were no political prisoners left in Caxias.16 Among the women released were the journalists Helena Neves and Elvira Nereu, whom a photograph in the newspaper A Capital shows on their way out, and Manuela Gil, an office worker sentenced to two years in prison “for alleged participation in the Portuguese workers’ movement”: she had been in prison for 21 months, she told the same newspaper.16 Outside, thousands of people were shouting “the people united will never be defeated” (o povo unido jamais será vencido).16

Today the fort is Caxias Prison.

On the walks

From the archives

  • Conceição Matos and Domingos Abrantes tell together, in a testimony recorded by the museum on 7 October 2015, of life underground, imprisonment and torture. The museum’s keywords include the Aljube prison, Caxias, the PIDE interrogations and the escape from Caxias.

    Original page Licença padrão do YouTube — embed permitido pelo canal oficial do Museu do Aljube

    Museu do Aljube Resistência e Liberdade, on YouTube. The player only connects to that site when you press “Watch”.

  • On the day of its 60th anniversary, Domingos Abrantes, one of the eight leaders of the Portuguese Communist Party (PCP) who escaped from Caxias Fort on 4 December 1961, recalls the escape. The prisoners got out in the armoured Chrysler that had once served Salazar, driven by António Tereso, smashing through the fort’s outer gate.

    Original page Licença padrão do YouTube — embed permitido pelo canal oficial do Museu do Aljube

    Museu do Aljube Resistência e Liberdade, on YouTube. The player only connects to that site when you press “Watch”.

  • Diana Andringa’s testimony, recorded by the Aljube Museum on 19 April 2017. According to the museum’s keywords, she talks about the student movement, support for political prisoners, her links to the People’s Movement for the Liberation of Angola (MPLA) and the liberation struggle, her imprisonment and interrogation in Caxias, and her trial in the Plenary Court.

    Original page Licença padrão do YouTube — embed permitido pelo canal oficial do Museu do Aljube

    Museu do Aljube Resistência e Liberdade, on YouTube. The player only connects to that site when you press “Watch”.

  • Isabel do Carmo, in a testimony recorded by the Aljube Museum on 24 April 2019. The museum’s keywords include the student movement, life underground, the armed struggle, imprisonment, torture and isolation in Caxias, and imprisonment after 25 April.

    Original page Licença padrão do YouTube — embed permitido pelo canal oficial do Museu do Aljube

    Museu do Aljube Resistência e Liberdade, on YouTube. The player only connects to that site when you press “Watch”.

  • Aurora Rodrigues, in a testimony recorded by the Aljube Museum on 12 October 2016. The museum’s keywords include the student movement, the murder of Ribeiro Santos, the Movement for the Reorganisation of the Party of the Proletariat (MRPP), imprisonment, interrogation and torture in Caxias.

    Original page Licença padrão do YouTube — embed permitido pelo canal oficial do Museu do Aljube

    Museu do Aljube Resistência e Liberdade, on YouTube. The player only connects to that site when you press “Watch”.

  • Three rural women — Eulália Miranda, Hermínia Vicente and Maria Lourença Cabecinha — in a joint testimony recorded by the Aljube Museum on 19 October 2016. According to the museum’s keywords, they talk about the struggle for the 8-hour working day, life underground in the Portuguese Communist Party (PCP), the children of those living underground, imprisonment and interrogation in Caxias.

    Original page Licença padrão do YouTube — embed permitido pelo canal oficial do Museu do Aljube

    Museu do Aljube Resistência e Liberdade, on YouTube. The player only connects to that site when you press “Watch”.

  • Helena Cabeçadas tells the Aljube Museum about the student association movement in the secondary schools (liceus), the academic crisis of 1962, which she lived through at 14, and her arrest in 1965, when she was taken to the Civil Government building and to Caxias. Expelled from every school in the country, she left alone for exile in Belgium at 17.

    Original page Licença padrão do YouTube — embed permitido pelo canal oficial do Museu do Aljube

    Museu do Aljube Resistência e Liberdade, on YouTube. The player only connects to that site when you press “Watch”.

  • In a testimony recorded by the Aljube Museum on 30 September 2015, Helena Pato tells of her arrest by the PIDE, the interrogations, torture and isolation in Caxias. The museum’s keywords also point to women, solidarity and aid to political prisoners.

    Original page Licença padrão do YouTube — embed permitido pelo canal oficial do Museu do Aljube

    Museu do Aljube Resistência e Liberdade, on YouTube. The player only connects to that site when you press “Watch”.

  • A visitor to the National Museum of Resistance and Freedom sings the “Hino de Caxias” (Caxias Anthem), a song from 1953–1954 with music by the political prisoner Vasco Costa Marques and lyrics written jointly by prisoners in Caxias, among them Aurélio Santos and Rolando Verdial.

    Original page Licença padrão do YouTube — embed permitido pelo canal oficial do Museu Nacional Resistência e Liberdade

    Museu Nacional Resistência e Liberdade (Peniche), on YouTube. The player only connects to that site when you press “Watch”.

  • Fernanda Gonçalves tells how she heard about the revolution while in Aveiro, arrived the next day at Santa Apolónia on a train full of friends and went on to Caxias, where thousands of people were waiting for the political prisoners to come out. She remembers the passage the crowd kept open for the negotiations with the PIDE, inside.

    Original page Licença padrão do YouTube — embed permitido pelo canal oficial da Câmara Municipal de Lisboa

    Câmara Municipal de Lisboa, on YouTube. The player only connects to that site when you press “Watch”.

In other archives

These can only be viewed on each archive’s own website.

Show 2 more

Where it is

Map showing where Caxias Fort — the political prison is.

Caxias Fort — the political prisonEstrada Militar, Caxias, 2784-513 Oeiras (concelho de Oeiras)

Dates

  1. January 1935

    The South Redoubt passes to the political police, for male prisoners.

  2. May 1938

    The North Redoubt becomes the political prison for women.

  3. 4 December 1961

    Eight prisoners escape in Salazar’s armoured car.

  4. 1971

    The DGS’s continuous interrogations move to the South Redoubt.

  5. 27 April 1974

    In the early hours, the last political prisoners walk free.

  6. 26 April 2019

    Plaque commemorating the release of the political prisoners.

  7. 18 Jan 1934

    The revolutionary general strike of 18 January 1934
  8. 5 Nov 1941

    Strike by the Covilhã woollen mill workers
  9. 14 Oct 1949

    Arrest of Cesina Bermudes, a leader of the National Democratic Women’s Movement
  10. 7 Dec 1949

    Arrest of Maria Lamas and members of the National Democratic Movement
  11. 18 Jul 1950

    Maria Lamas arrested for the second time
  12. 20 Dec 1953

    Maria Lamas arrested at the airport
  13. 1957

    Arrest of Aida Magro, underground head of Lisbon’s Eastern Zone
  14. 31 Jul 1958

    Raul Alves falls from the third floor of the PIDE headquarters
  15. 26 Sep 1958

    The guitarist Carlos Paredes arrested at his workplace
  16. 15 Oct 1959

    Arrest of Maria Alda Nogueira on Avenida da Liberdade
  17. 15 Dec 1961

    Albina Fernandes arrested with her small children
  18. 15 Feb 1962

    Arrest of Stella Piteira Santos
  19. 27 Apr 1962

    Arrest of the Women of Couço
  20. 9 May 1962

    Hunger strike in the Cidade Universitária canteen
  21. Jul 1964

    Arrest of Maria Lourença Cabecinha
  22. 21 Apr 1965

    Arrest and torture of Conceição Matos
  23. Aug 1965

    The Aljube political prison closes
  24. Jun 1967

    Arrest of Helena Pato
  25. 10 Dec 1967

    The British press reveals the “Ballet Rose” scandal
  26. Jan 1970

    Arrest of Diana Andringa
  27. 2 Oct 1970

    Suicide of Albina Fernandes
  28. 30 Dec 1972

    The Capela do Rato vigil against the colonial war
  29. 3 May 1973

    Arrest of Aurora Rodrigues
  30. Oct 1973

    Arrest and torture of Maria José Morgado
  31. 24 Nov 1973

    The DGS case against the anti-colonial group and the Revolutionary Brigades
  32. 6 Dec 1973

    Arrest of Maria da Conceição Moita
  33. 25 Apr 1974

    Paraquedistas seguem para a prisão de Caxias
  34. 26 Apr 1974

    Amnistia dos crimes políticos
  35. 26 Apr 1974

    Tomada de Caxias e libertação dos presos políticos

People connected with this place

Nearby

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    Streets of the women pioneers in Bairro de Caselas

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    In 1988, the numbered streets of Bairro de Caselas were given names, many of them those of women pioneers: Carolina Ângelo, the first woman to vote; Virgínia Quaresma, the first woman journalist; Aurora de Castro, the first woman notary; the writers Alice Pestana and Olga Morais Sarmento; the painter Sara Afonso.

    Women
  • 5.4 km · 1 h 20 min on foot

    Praça do Império

    Today: Jardim público, com a Fonte Monumental ao centro

    Aberta para a Exposição do Mundo Português, em 1940, foi o centro da maior montra de propaganda do império montada pelo Estado Novo. Os brasões das colónias que o jardim recebeu nos anos 60 voltaram a dar polémica no século XXI.

    ColonialismCulture and censorship
  • 5.5 km · 1 h 25 min on foot

    Padrão dos Descobrimentos

    Today: Monumento com miradouro, auditório e salas de exposições

    Erguido em 1940 para a Exposição do Mundo Português e refeito em pedra em 1960, é o monumento do mito dos «Descobrimentos»: 33 figuras, uma só de mulher. Em 1975, os caixotes de quem regressava das colónias amontoaram-se aqui ao lado.

    ColonialismCulture and censorship
  • 5.6 km · 1 h 25 min on foot

    Jardim Botânico Tropical (antigo Jardim Colonial)

    Today: Jardim Botânico Tropical — Museu Nacional de História Natural e da Ciência (Universidade de Lisboa)

    Criado em 1906 como Jardim Colonial, recebeu em 1940 a Secção Colonial da Exposição do Mundo Português: 138 homens, mulheres e crianças trazidos das colónias foram aqui expostos ao público durante meses.

    ColonialismWomen
Notes on the sources10
  • Since when the Estado Novo held political prisoners here: the South Redoubt passed to the political police in January 1935, but the 2020 sculpture counts the prisoners from 1936.
  • Who was held in the North Redoubt: Memória Comum says it passed to the political police in May 1938, for women, but its own records list male prisoners taken there in 1937 and 1939, and the 1961 escape set out from its moat, with male prisoners.
  • How many times and when Maria Lamas was arrested: in 1949, 1950, 1951 and 1953, according to Virgínia Baptista; in 1949, 1953 and 1962, according to Wikipedia; in 1949, on 18 July 1950 and on 20 December 1953, according to the Democratic Women’s Movement (MDM).
  • The dates of Cesina Bermudes’s imprisonment at Caxias (from 14 October 1949 to 14 January 1950) and Stella Piteira Santos’s time here, in February 1962, have only been found in Wikipedia.
  • The time of the escape on 4 December 1961: 09:35, according to the official report cited by the Aljube Museum; 09:34, according to the Union of Portuguese Anti-Fascist Resisters (URAP) (“Fuga de Caxias. Dedicação à prova de bala”); 10:00, in a URAP news item on the 60th anniversary of the escape.
  • Who commanded the taking of Caxias: Captains José Brás and Mário Pinto, at the head of paratroopers, according to the chronology of the 25 April Association and that of the Portuguese Commission of Military History; Lieutenant Commander Abrantes Serra and Captain Mário Pinto, at the head of marines and paratroopers, according to the “Presos políticos” (Political prisoners) page of the same Association.
  • The day of the release: 26 April for the 50 Years Commemorative Commission, the 25 April Documentation Centre and Memória Comum (“on the night of the 26th”), and the Aljube Museum says that some prisoners left as early as the afternoon of the 26th; according to República, cited by Esquerda.net, the release began at half past midnight on the 27th.
  • How many prisoners were released: 82 — 78 and, finally, the four from the prison hospital — according to República as cited by Esquerda.net, or 85, according to the 50 Years Commemorative Commission.
  • The day Helena Neves left Caxias: 25 April, according to the page with her testimony at the Aljube Museum, or with the other prisoners, on the 26th or in the early hours of the 27th, as suggested by the photograph in A Capital of 27 April, published by Esquerda.net, which records her release and that of Elvira Nereu.
  • Whether the fort can be visited — it is now a working prison — and where the 2019 plaque is, inside or outside the grounds.

Do you know more, or do you have a document? Tell us.

Sources

  1. 1Cárceres do império. Memória Comum – Memorial aos Presos e Perseguidos Políticos — consulted on 2 October 2026
  2. 2Forte de Caxias (Prisões da Ditadura). Comissão Comemorativa 50 Anos 25 de Abril — consulted on 2 October 2026
  3. 3A fuga de Caxias, um acto de resistência antifascista rumo à vitória, foi há 60 anos. URAP – União de Resistentes Antifascistas Portugueses — consulted on 2 October 2026
  4. 4Fuga de Caxias. Dedicação à prova de bala. URAP – União de Resistentes Antifascistas Portugueses — consulted on 2 October 2026
  5. 5Fuga de Caxias. Museu do Aljube Resistência e Liberdade (EGEAC) — consulted on 2 October 2026
  6. 6Evocação da Libertação dos Presos Políticos da Prisão de Caxias. Museu do Aljube Resistência e Liberdade (26/4/2019) — consulted on 2 October 2026
  7. 726 de Abril de 1974. Museu do Aljube Resistência e Liberdade (EGEAC) — consulted on 2 October 2026
  8. 8Meios Sonoros. Memória Comum – Memorial aos Presos e Perseguidos Políticos — consulted on 2 October 2026
  9. 9Albina Fernandes. Memória Comum – Memorial aos Presos e Perseguidos Políticos — consulted on 2 October 2026
  10. 10Maria Alda Barbosa Nogueira. Memória Comum – Memorial aos Presos e Perseguidos Políticos — consulted on 2 October 2026
  11. 1110 de Junho. Oeiras inaugura escultura evocativa da libertação dos presos de Caxias. Observador (8/6/2020) — consulted on 2 October 2026
  12. 12O golpe militar de 25 de Abril de 1974. Uma cronologia (Abílio Pires Lousada e Humberto Nuno de Oliveira), Revista Portuguesa de História Militar, IV, n.º 6. Comissão Portuguesa de História Militar / Ministério da Defesa (jun. 2024) — consulted on 2 October 2026
  13. 13Forte Prisão de Caxias. RTP Arquivos — consulted on 2 October 2026
  14. 14Forte de D. Luís I / prisão de Caxias (Q10283791), coordenadas P625. Wikidata — consulted on 2 October 2026
  15. 15Nominatim – OpenStreetMap (geocodificação). OpenStreetMap contributors (ODbL) — consulted on 2 October 2026
  16. 16Álvaro Arranja, «A libertação dos presos políticos na revolução de Abril». Esquerda.net — consulted on 2 October 2026
  17. 17Presos políticos (pós-25 de Abril). Associação 25 de Abril — consulted on 2 October 2026
  18. 18Movimentações do dia 25 de Abril. Associação 25 de Abril — consulted on 2 October 2026
  19. 19Operação Viragem Histórica. Comissão Comemorativa 50 Anos 25 de Abril — consulted on 2 October 2026
  20. 2026 de Abril de 1974 (#nestedia). Museu do Aljube Resistência e Liberdade — consulted on 2 October 2026
  21. 21Helena Neves (testemunho). Museu do Aljube Resistência e Liberdade — consulted on 2 October 2026
  22. 22Prisão de Caxias. RTP – Memórias da Revolução (textos de Aniceto Afonso, Carlos Matos Gomes e Maria Inácia Rezola) — consulted on 2 October 2026
  23. 23O 25 de Abril para os mais novos – Cronologia hora a hora. Centro de Documentação 25 de Abril – Universidade de Coimbra — consulted on 2 October 2026
  24. 24Maria Lamas. Wikipédia (inglês) — consulted on 2 October 2026
  25. 25Maria Lamas. MDM – Movimento Democrático de Mulheres — consulted on 2 October 2026
  26. 26Cesina Bermudes. Wikipédia (português) — consulted on 2 October 2026
  27. 27Maria Alda Nogueira. Wikipédia (português) — consulted on 2 October 2026
  28. 28Mulheres pela Igualdade (biografias). CIG – Comissão para a Cidadania e a Igualdade de Género — consulted on 2 October 2026
  29. 29Stella Piteira Santos. Wikipédia (português) — consulted on 2 October 2026
  30. 30Mulheres do Couço. Wikipédia (português) — consulted on 2 October 2026
  31. 31Maria da Conceição Rodrigues de Matos. Memória Comum – Memorial aos Presos e Perseguidos Políticos — consulted on 2 October 2026
  32. 32Aurora Rodrigues. Museu do Aljube – Resistência e Liberdade — consulted on 2 October 2026
  33. 33«A paz é possível»: algumas notas sobre o caso da Capela do Rato (António de Araújo). Lusitania Sacra, 2.ª série, 16 (2004), pp. 431-463 – Universidade Católica Portuguesa — consulted on 2 October 2026
  34. 34Vigília da Capela do Rato. Wikipédia — consulted on 2 October 2026

Coordinates: OpenStreetMap (Nominatim), consultado a 2 de outubro de 2026.