Wars and Minnesota By farra210 Mar 3, 1849 Minnesota became a territory May 11, 1858 Minnesota became a state Nov 6, 1860 Abraham Linclon elected president Period: Apr 12, 1861 to Apr 9, 1865 Civil War Apr 14, 1865 Abraham Linckon assasanated He was shot on the 14th and died on the 15th Period: Jul 28, 1914 to Nov 11, 1918 World War 1 Period: Sep 1, 1939 to Sep 2, 1945 World War 2 Period: Jan 1, 1945 to Jan 1, 1991 Cold War