Assertion: royal ballet | /r/HasProperty | granted royal charter
Facets:
value: in 1956
type: TEMPORAL
Source sentences:
text: The largest of the five major ballet companies in Great Britain, the Royal Ballet was founded in 1931 by Dame Ninette de Valois, it became the resident ballet company of the Royal Opera House in 1946 and was granted a royal charter in 1956, becoming recognised as Britain's flagship ballet company.