I want to know the answer to the following question:
Around what year did Yarra rowing clubs and "regattas" become popular?
All the background I'm provided with is that "These areas were rapidly filled from the mid 1850s by the ubiquitous terrace house, as well as detached houses and some grand mansions in large grounds, while some of the major roads developed as shopping streets.". Is that enough to answer the question?
Answer: no