Category:1878 in the United StatesFrom Wikipedia, the free encyclopedia United States portalHistory portalGeography portalThis category is for topics specifically related to the year 1878 in the United States.The main article for this category is 1878 in the United States. 18731874187518761877187818791880188118821883 1820s1830s1840s1850s1860s1870s1880s1890s1900s1910s1920s Wikimedia Commons has media related to 1878 in the United States.
United States portalHistory portalGeography portalThis category is for topics specifically related to the year 1878 in the United States.The main article for this category is 1878 in the United States. 18731874187518761877187818791880188118821883 1820s1830s1840s1850s1860s1870s1880s1890s1900s1910s1920s Wikimedia Commons has media related to 1878 in the United States.