
1) Opera by Gabriel Fauré
Found on
https://www.crosswordclues.com/clue/prométhée

Prométhée (Prometheus) is a tragédie lyrique (grand cantata) in three acts by the French composer Gabriel Fauré with a French libretto by Jean Lorrain and Ferdinand Hérold, based on the Greek myth of Prometheus. The first performance at Arènes de Béziers on 27 August 1900 involved almost 800 performers (including two wind bands and 15 harps...
Found on
http://en.wikipedia.org/wiki/Prométhée

The Promethee was a French Redoutable Class submarine of 1379 tons displacement launched in 1929. She was powered by diesel engines providing a top speed of 19 knots surfaced and electric motors providing a top speed of 10 knots submerged. She carried a complement of 67 and was armed with one 3.9 inch anti-aircraft gun; two machine guns and eleven ...
Found on
http://www.probertencyclopaedia.com/browse/RP.HTM
No exact match found.