Norwegian National Academy of Ballet ended in 1996.
Houston Ballet Academy was created in 1955.
Polish National Ballet was created in 2009.
Korea National Ballet was created in 1962.
Chilean National Ballet was created in 1945.
American National Ballet was created in 2001.
Hungarian National Ballet was created in 1884.
National Ballet of Rwanda was created in 1974.
Dutch National Ballet was created in 1961.
Cuban National Ballet was created on 1948-10-28.
Iranian National Ballet Company was created in 1968.
Korea National Ballet Company was created in 1962.