Paris Opera Ballet was created in 1669.
Cairo Opera Ballet Company was created in 1966.
an opera ballet is an opera that incorporates ballet dancing in part to tell the story of the opera
an Opera Ballet is an opera that incorporates ballet dancing in part to tell the story of the opera
Washington National Opera was created in 1957.
National Opera of Ukraine was created in 1867.
Romanian National Opera was created in 1954.
Welsh National Opera was created in 1943.
The most famous ballet company in Paris is the Paris Opera Ballet. In French, the name is "Ballet de l'Opera national de Paris".
Iaşi Romanian National Opera was created in 1956.
British National Opera Company was created in 1921.
Norwegian National Academy of Opera was created in 1964.