Internationally , the Mariinsky Ballet continues to be known by its former Soviet name the Kirov Ballet .
Founded in the 18th century and originally known as the Imperial Russian Ballet , the Mariinsky Ballet is one of the world 's leading ballet companies .
Internationally , the Imperial Russian Ballet   continues to be known by Mariinsky Ballet 's former Soviet name Imperial Russian Ballet   Ballet .
Founded in the 18th century and originally known as the Imperial Russian Ballet , the Mariinsky Ballet is one of the world 's leading ballet companies .