La Scala
The Teatro alla Scala, usually known as La Scala, is one of the most famous opera houses in the world. It is in Milan, Italy, which is the country where opera started at the beginning of the 17th century. The theatre opened on 3 August 1778. At first it was called Nuovo Regio Ducal Teatro alla Scala. The first opera to be performed there was Salieri's Europa riconosciuta.