Legality of Cannabis by U.S. Jurisdiction Illinois portalUnited States portalHistory portal This category is for topics specifically related to the year 1835 in the U.S. state of Illinois. 18301831183218331834183518361837183818391840 1780s1790s1800s1810s1820s1830s1840s1850s1860s1870s1880s Subcategories This category has the following 2 subcategories, out of 2 total. / 1835 establishments in Illinois (21 P)E 1835 Illinois elections (1 P)