Julián Casanova Ruiz (born 1956 in Valdealgorfa) is a Spanish historian. He teaches contemporary history at University of Zaragoza,^[1] and has been a visiting professor in US, UK and Latin America universities as well as a recurring visiting professor at Hungary's Central European University. He is currently a Distinguished Research Fellow at the Weiser Center for Europe and Eurasia, University of Michigan. He's a columnist for El País and frequent talk show guest at radio station Onda Cero.

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In 2008 he was nominated to join the panel of experts in the first judicial investigation (conducted by judge Baltasar Garzón) of the Francoism crimes.^[2]

• — (2010). The Spanish Republic and Civil War. Oxford University Press.
• —; Gil Andrés, Carlos (2014) [2009]. Twentieth-century Spain. A History. Originally published in Spanish as Historia de España en el siglo XX by Ariel, 2009. Translated by Douch, Martin. Cambridge University Press. ISBN 978-1-107-60267-0. OCLC 870438787.
• — (1997). De La Calle Al Frente (in Spanish). Critica.
  • Translated as Anarchism, the Republic and Civil War in Spain: 1931–1939 by Andrew Dowling and Graham Pollok in 2005.^[3]
• — (2011). Europa contra Europa. 1914-1945. Barcelona: Crítica.^[4]
• — (2013). España partida en dos. Barcelona: Crítica.^[5]
• A Short History of the Spanish Civil War. I.B. Tauris. 2013.^[6]
• — (2017). La venganza de los siervos. Rusia 1917. Barcelona: Crítica.^[7]
• — (2020). Una violencia indómita. El siglo XX europeo. Barcelona: Crítica.^[8]
• _ (2021) A Short History of the Spanish Civil War, revised edition, Bloomsbury, 2021; España partida en dos. Breve Historia de la guerra civil española, Crítica, 2022.