Wikipedia:WikiProject Opera/SotM/May2011

— The Opera of the Month collaboration focuses on improving existing articles. —

The operas of the month for May range from the 18th century to the 20th century. All of them are unsourced or contain only external links. They need to be brought up to a minimum standard of referencing.

• 18th century: Calandro
• 19th century: Bánk bán, The Queen of Spades
• Early 20th century: The Bravest Hussar, La nave, Marinka
• Late 20th century, La Cenicienta, Das Märchen von der schönen Lilie, De Temporum Fine Comoedia, Bang!