1878
Centuries: 18th century - 19th century - 20th century
Decades: 1820s 1830s 1840s 1850s 1860s - 1870s - 1880s 1890s 1900s 1910s 1920s
Years: 1873 1874 1875 1876 1877 - 1878 - 1879 1880 1881 1882 1883
Events
- January 26 - The Salt River Valley Herald, the first newspaper in Phoenix, began publication.
- July 17 - Mesa is founded, with a 1 square mile townsite.