Chronology

ca. 1840s–1890sRealism dominant in Western arts and literature
1848Cholera epidemic and first public health law in Britain
ca. 1850–1870Modernization of Paris
1850–1914Condition of working classes improves
1854Pasteur begins studying fermentation and in 1863 develops pasteurization
1854–1870Development of germ theory
1859Darwin publishes On the Origin of Species by the Means of Natural Selection
1865Completion of London sewer system
1869Mendeleev creates periodic table
1880–1913Second Industrial Revolution; birthrate steadily declines in Europe
1890Max Weber publishes The Protestant Ethic and the Spirit of Capitalism
1890sElectric streetcars introduced in Europe