When and where was melodrama a popular form of theatre?

When: Melodrama was a popular form of theatre from the 1700s through the mid-1900s. It originated in Europe during the 18th century and spread to the United States and other parts of the world in the 19th and 20th centuries.

Where: Melodrama was popular in a variety of countries and cultures, including the United States, the United Kingdom, France, Germany, Italy, Russia, and many others. It was particularly popular in urban centers and was often associated with the working class.