What is the birthdate of this Ukranian former pole vaulter, who started his path to Olympic success from Soviet Sports schools?
Sports school: A sports school (Russian: Детско-Юношеская Спортивная Школа, ДЮСШ ) is a type of educational institution for children that originated in the Soviet Union. Sports school:  Many legendary athletes, such as Nikolai Andrianov, Nellie Kim, Alexander Popov, Viktor Krovopuskov, Vladislav Tretiak, Valeri Kharlamov, Anatoly Alyabyev and Sergey Bubka started their path to Olympic success from Soviet sports schools. Sergey Bubka: Serhii Nazarovych Bubka (Ukrainian: Сергі́й Наза́рович Бу́бка ; Russian: Серге́й Наза́рович Бу́бка, "Sergey Nazarovich Bubka" ; born 4 December 1963) is a Ukrainian former pole vaulter.
4 December 1963