 In the meantime, he also learned French.On May 5, 1892, he was promoted Captain and assigned to staff of the 12th Army Corps in Hermannstadt, today Sibiu in Rumania.He started the study of Russian language, and from May 1, 1895 until May 14, 1896, he was in Kazan, presently the capital of the Republic of Tatarstan, officially to study the language, but in reality serving as an undercover Agent.