1840s 1850s 1860s - 1870s - 1880s 1890s 1900s
1.1 Technology 1.2 Science 1.3 War, peace and politics 1.4 Other
cy:1870au da:1870'erne de:1870er et:1870. aastad es:Años 1870 fr:Années 1870 it:Anni 1870 nl:1870-80 ja:1870年代 no:1870-årene pl:Lata 70. XIX wieku sl:1870. fi:1870-luku sv:1870-talet zh:1870年代