Two likely dates have been suggested for its composition: 1189, the year Henry II died, and 1272, the year Henry III died, with the latter corresponding to the age of the two 
Two likely dates have been suggested for its composition: 1189, the year Henry II died, and 1272, the year Henry III died, with the latter corresponding to the age of the two surviving manuscripts.* There have also been several proposed authors, including "Master Nicholas of Guildford" who is referred to in respectful tones in the poem and a Benedictine nun. FTP, name this poem about an unresolved debate, overheard by the narrator, between the two title birds.
Two likely dates have been suggested for its composition: 1189, the year Henry II died, and 1272, the year Henry III died, with the latter corresponding to the age of the two surviving manuscripts.
The Owl and the Nightingale