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In page Princess Clémentine of Orléans:

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Clémentine followed her son to Bulgaria, where she became an important person as the mother of the sovereign. Extremely wealthy, Clémentine made herself popular in her adopted homeland by showering money on Bulgaria, including a donation of four million francs towards the completion of a railway line linking Bulgaria to Europe's rail network.[1] She is considered to have had a positive impact on Bulgarian society, and created good will for Ferdinand among the Bulgarian public by large donation to charitable and public causes: she financed the construction of several buildings and institutions, such as a school for the Blind and the Klimentinskata Hospital, and she was also one of the founders of the Bulgarian Red Cross.[citation needed]