The inauguration of the railway to Aranjuez Historical milestone · Aranjuez, Las Vegas, Madrid Image of Aranjuez, not of the place itself. Isabella II presided on 9 February 1851 over the opening of the line promoted by the Marquis of Salamanca, the second built in the peninsula after the Barcelona to Mataró line. It was the first step of the railway from Madrid towards Andalusia and the Levante. 9 de febrero de 1851 Photo: José Maria Cantero Rojas (CC BY 3.0) What to see and do in Aranjuez