Question: The present observation of Greenery is a holiday that stems from the celebration of a birthday of an emperor whose name means what in English ?
Sentence (from "Greenery Day"): The present observation of Greenery Day (みどりの日 , Midori no Hi ) as a national holiday in Japan stems from the celebration of the Emperor Shōwa's birthday on April 29 every year during the Shōwa era.
Relevant evidence: Yes