Legality of Cannabis by U.S. Jurisdiction Illinois portalUnited States portalHistory portal This category is for topics specifically related to the year 1859 in the U.S. state of Illinois. 18541855185618571858185918601861186218631864 1800s1810s1820s1830s1840s1850s1860s1870s1880s1890s1900s Subcategories This category has the following 2 subcategories, out of 2 total. / 1859 establishments in Illinois (79 P)E 1859 Illinois elections (3 P)