It is not clear as to what you mean by 'craze', but Opera is as popular now as it ever was, especially with recordings etc. Factually more people than ever have access to opera since the advent of the LP. Before that the only way to hear [see] a complete opera was to go and see it - that was expensive as was the purchase of 'complete' recordings on old 78's. So really a full opera was the domain of the 'well off'.
no idea..but i hope it will never end :)
World war 1
The End of the Affair - opera - was created in 2004.
An opera ends when it ends, and not before.
The musical "Cats" made its debut in 1981 in the West End of London and then premiered on Broadway in 1982.
opera dies
Connecticut Opera ended in 2009.
Opera Pacific ended in 2008.
Kent Opera ended in 1989.
Private Opera ended in 1904.
Opera house of the year was created in 1994.
Zimin Opera ended in 1917.