3 images transferred from English wikipedia
1 image transferred from Basque wikipedia
self-made from cropped versions of:

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  Eneko Arista (790-852). First King of Pamplona.
  Permission= Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation license, Version 1.2.
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  Sancho III of Navarre (1004-1035). King of Navarre
  Permission=Copyleft: This work of art is free; you can redistribute it and/or modify it according to terms of the Free Art License. You will find a specimen of this license on the site Copyleft Attitude http://artlibre.org/licence/lal/en/ as well as on other sites.
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  Juan Sebastian Elkano (1486-1526). Naval commander.
  Permission= Public domain because its copyright has expired
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  Ignacio de Loyola (1491-1556). Founder and first Superior General of the Society of Jesus.
  Permission= This image (or other media file) is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.
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  Andres Urdaneta (1498-1568). Augustinian friar, sail-captain and explorer.
  Permission= This image (or other media file) is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.
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  Juan de Oñate (1552-1626). Explorer, colonial governor of the New Spain.
  Permission=I, the creator of this work, hereby grant the permission to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to disclaimers.
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  Francis Xavier (1506–1552 ). was a pioneering Roman Catholic missionary.
  Permission= This image (or other media file) is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.
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  Simón Bolívar (1783-1830). General et polititian.
  Permission= This image (or other media file) is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.
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  Tomas Zumalakarregi (1788-1835). General.
  Permission= This image (or other media file) is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.
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  Don Diego de Gardoqui (1735-1798). Politician and diplomat.
  Permission= This image is in the public domain because its copyright has expired in the United States and those countries with a copyright term of no more than the life of the author plus 100 years.
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  Dominique Joseph Garat (1749-1833). Writer and politician.
  Permission=This image (or other media file) is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.
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  Sabino Arana Goiri (1865-1903) Writer and Basque nationalist.
  Permission= This image (or other media file) is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.
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  Federico Errázuriz Echaurren (1850-1901). President of Chile.
  Permission= This image (or other media file) is in the public domain because its copyright has expired. This file has fallen into the public domain according to Chilean Law 17,336 and its amendments. Nevertheless, its author and source must be acknowledged. See here for the type of material that are in the Public domain.
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  Emílio Garrastazu Médici (1905-1985). 31st President of Brazi
  Permission=This photograph was produced by Agência Brasil, a public Brazilian news agency.Their website states: "O conteúdo deste site é publicado sob a licença Creative Commons Atribuição 2.5 Brasil" (The content of this website is published under the Creative Commons License Attribution 2.5 Brazil)
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  Maurice Ravel (1875-1937). Composer and pianist of Impressionist and Expressionist music
  Permission= TThis image (or other media file) is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years..
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  Eva Perón (1919-1952). Political leader of the Nation of Argentina
  Permission= This image is in the public domain because the copyright of this photograph, registered in Argentina, has expired. (Both at least 25 years have passed after the photograph was created, and it was first published at least 20 years ago, Law 11.723, Article 34 as amended, and Berne Convention Article 7 (4)).
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  Atano VII (1912-). Pelotari from Gipuzkoa.
  Permission= This file is licensed under the Creative Commons Attribution ShareAlike 3.0 License.
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  Nestor Basterretxea (1924-). Sculptor.
  Permission= Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation license, Version 1.2.This file is licensed under the Creative Commons Attribution ShareAlike license versions 2.5, 2.0, and 1.0
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  Ernesto "Che" Guevara (1928-1967). Marxist revolutionary, politician and guerrilla leader.
  Permission= This work was created in Cuba and is now in the public domain because its term of copyright has expired. According to Cuban law #14 [2] and subsequent amendments, copyright terms in Cuba are the following:
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  Bernardo Atxaga (1957-). Writer.
  Permission= This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Spain license.
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  Pedro Miguel Etxenike (1950-) Scientist and politician from Navarra.
  Permission= This file is licensed under the Creative Commons Attribution ShareAlike 3.0 License. Official license. This image, which was originally posted to Flickr, was reviewed on 17-August-2008 by the administrator or trusted user Pruneau, who confirmed that it was available on Flickr under the above license on that date.
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  John Garamendi (1945-). Lieutenant Governor of California.
  Permission= This file is in the public domain, because per California Department of Insurance's Privacy Policy
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  Juan José Ibarretxe (1957-). Lehendakari.
  Permission=This photograph was produced by Agência Brasil, a public Brazilian news agency. Their website states: "O conteúdo deste site é publicado sob a licença Creative Commons Atribuição 2.5 Brasil
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  Miguel Indurain (1964-). Cyclist.
  Permission=This image or video was catalogued by Johnson Space Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: JSC2007-E-098981.
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  Edurne Pasaban (1973-). Mountaineer
  Permission= This file is licensed under Creative Commons Attribution ShareAlike 3.0 License
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  Estitxu Fernandez (1975-). TV presentator and journalist.
  Permission= This file is licensed under Creative Commons Attribution ShareAlike 2.0 License
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  Unai Simón (1997-). Professional footballer.
  Permission= This file is licensed under Creative Commons Attribution ShareAlike 2.0 License