Back Anyos 1870 AN عقد 1870 Arabic عوام 1870 ARY عقد 1870 ARZ Década del 1870 AST 1870-ci illər Azerbaijani 1870-an BAN 1870-я Byelorussian 1870-я BE-X-OLD 1870-те Bulgarian
| Millennium: | 2nd millennium |
| Centuries: | 18th century – 19th century – 20th century |
| Decades: | 1840s 1850s 1860s – 1870s – 1880s 1890s 1900s |
| Years: | 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 |
| Categories: | Births – Deaths – Architecture Establishments – Disestablishments |
The 1870s was the decade that began on January 1, 1870 and ended on December 31, 1879. It is distinct from the decade known as the '''188st decade''' which began on January 1, 1871 and ended on December 31, 1880.