Category:1860s establishments in Sierra Leone Sierra Leone portalHistory portalGeography portalThis category is for organizations, places and other things founded or established in Sierra Leone in the 1860s.1810s1820s1830s1840s1850s1860s1870s1880s1890s1900s1910s 14th15th16th17th18th19th20th21st22nd23rd24th Subcategories This category has only the following subcategory. 0–9 1866 establishments in Sierra Leone (2 P)