A classic example is the transformation of Paris under the Second Empire, by Napoleon III and the prefect Baron Haussmann, but we can also recall the similar interventions in London (1848-1865), Florence (1859-1865), Vienna (1857) and Brussels (1867-1871).
The urban restructuring of Paris under Napoleon III's Second Empire, with Baron Haussmann as prefect, is a classic example. Similar transformations took place in London from 1848 to 1865, Florence between 1859 and 1865, Vienna in 1857, and Brussels from 1867 to 1871.