
1) Ancient Roman festival 2) August observance 3) Summer festival
Found on
https://www.crosswordclues.com/clue/nemoralia

The festival of Nemoralia (aka Festival of Torches) was celebrated by the ancient Romans either on 13–15 August or on the August Full Moon, in honor of the goddess Diana (see Diana Nemorensis). This festival was later adopted by Catholics as The Feast of the Assumption. Ovid describes the celebration thus: `In the Arrician valley, there is a la....
Found on
http://en.wikipedia.org/wiki/Nemoralia
No exact match found.