Wikipedia:WikiProject Opera/OotM/August2009

— The Composer of the Month collaboration focuses on composers in the opera corpus whose works still lack articles. —

The composers of the month for August are two composers of French operas and members of Les Six...

Arthur Honegger: Les aventures du roi Pausole (on German Wikipedia) and Antigone. A complete list of Honegger's operas operettas and oratorios is available here.
Darius Milhaud: Bolivar, David and the first and third operas of his 3 Opéras-minutes – L'enlèvement d'Europe and Le délivrance de Thésée, both with libretti by Henri Hoppenot. The second opera in the trilogy, L'abandon d'Ariane, has some information about the trilogy and its first performance in 1928. A complete list of his operas is available here.