Conversation so far:
What is the background of Tosca?
In the early 1880s, the French playwright Victorien Sardou began a collaboration on Tosca with actress Sarah Bernhardt, whom he provided with a series of historical melodramas.
Did Sarah Bernhardt play a role in Tosca?
Sarah Bernhardt starred in La Tosca throughout Europe

Question: Where all did they take La Tosca in Europe?
Self-contained rewrite: Where did Sarah Bernhardt and Victorien Sardou take La Tosca in Europe?