claim: June 12th, 1919 was the birth date of Uta Hagan.
evidence: Anastasia Nabokina is a Russian ballerina born on 14 February 1971 in Moscow , Russia .. Russian. Russians. ballerina. ballerina. In 1981 she entered the Moscow State Academy of Choreography .. Moscow State Academy of Choreography. Moscow State Academy of Choreography. At the age of 17 , she made her stage debut in a school production as Lise of La fille mal gardee in the Bolshoi Theatre , Moscow .. La fille mal gardee. La fille mal gardee. Bolshoi Theatre. Bolshoi Theatre. After completing her studies in 1990 , she was actively involved in the establishment of the Kremlin Ballet Theatre , as Principal dancer .. Kremlin Ballet Theatre. Kremlin Ballet Theatre. Principal dancer. Principal dancer. She worked with Ekaterina Maximova , Vladimir Vasiliev and Nina Timofeeva .. Ekaterina Maximova. Ekaterina Maximova. Vladimir Vasiliev. Vladimir Vasiliev ( ballet dancer ). Nina Timofeeva. Nina Timofeeva. In 1996 , she moved to Warsaw , where she became the leading ballerina with the Teatr Wielki , Polish National Opera .. ballerina. ballerina. Warsaw. Warsaw. At the Teatr Wielki , she appeared as Odette-Odile in Irek Mukhamedov 's version of Swan Lake .. Irek Mukhamedov. Irek Mukhamedov. Swan Lake. Swan Lake. She also worked with Natalia Makarova in her production of La Bayadere and Mats Ek in his Carmen and A sort of ... .. Natalia Makarova. Natalia Makarova. La Bayadere. La Bayadere. Mats Ek. Mats Ek. Nabokina frequently merges classical dancing techniques with dynamics of contemporary dance .