In the years after the second world war a whole generation of young avant garde composers viewed opera with suspicion. It was an outmoded art form, ... Satyagraha (1980), Akhnaten (1984), The Voyage (1992), La Belle et la Bête (1994), Waiting for the Barbarians (2005). read more
As usual, Wikipedia is a great place to start: Category:1980 operas. There is an interactive timeline through 2013 along with links to each. read more
The operas listed cover all important genres, and include all operas regularly performed today, from seventeenth-century works by Monteverdi, Cavalli, and Purcell to late twentieth-century operas by Messiaen, Berio, Glass, Adams, Birtwistle, and Weir. read more