Terpene October 14, 2016October 24, 2016 thcscience_admin Transport portalEngineering portalThis category is for canals which opened in the year 1891. 18861887188818891890189118921893189418951896 1840s1850s1860s1870s1880s1890s1900s1910s1920s1930s1940s Pages in category "Canals opened in 1891" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. O Ob–Yenisei Canal Oder–Spree Canal