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2005? In 2006, Putin's daughters were admitted to St. Petersburg State University in Russia and became their father's "alumni". Martha, the eldest daughter, majored in biology in the Department of Soil Biology, and Katja, the youngest daughter, entered the Oriental Department of a famous Russian school to study Japanese. Kajia has excellent academic performance and is proficient in five languages. Besides Russian, I know English, Japanese, Korean and even Chinese.
Katja has always been obsessed with Chinese and is very interested in learning China culture. According to Putin's visit to Shaolin Temple in China in March, 2006, Kajia has always insisted on learning Chinese by herself, and at the same time, she and her sister worshipped the Shaolin monk Shi Yankang as a teacher and studied Shaolin Wushu hard.