What are considered great operas today have stood the test of time for hundreds of years — even thousands. The following timeline shows the progression of great opera from the 1780s to the middle of the last century:
![image0.jpg](https://www.dummies.com/wp-content/uploads/189887.image0.jpg)
What are considered great operas today have stood the test of time for hundreds of years — even thousands. The following timeline shows the progression of great opera from the 1780s to the middle of the last century: