The Tony Award for Best Revival (Play) has only been awarded since 1994. Prior to that, plays and musicals were considered together for the Tony Award for Best Revival.
The award is given to the best non-musical play which has already appeared on Broadway in a previous production.
... in Canada when it was adopted by the British Parliament in 1982 (though as part of the Canada Act (UK) 1982 it only became law in Canada, not the United Kingdom).
It is ...