| Name |
Date |
Location |
War |
Result |
Dead |
Belligerents
|
| Battle for Grand Kaskaskia
|
September 18, 1680
|
Near Present-day Ottawa, Illinois
|
Beaver Wars
|
Iroquois Victory
|
~880
|
 France and Tamaroa vs Iroquois
|
| Siege of Fox Fort
|
August–September 1730
|
Present-day McLean County, Illinois
|
Fox Wars
|
French and Allied Victory
|
~500
|
France and Native Allies vs Fox
|
| Capture of Fort Gage
|
July 5, 1778
|
Present-day Kaskaskia, Illinois
|
American Revolutionary War
|
US Victory
|
0
|
 United States vs  Great Britain
|
| Battle of St. Louis
|
May 25, 1780
|
Present-day Cahokia, Illinois and St. Louis, Missouri
|
Anglo-Spanish War
|
Spanish/US Victory
|
25+
|
United States and  Spain vs Great Britain and Indian Nations
|
| Battle of Fort Dearborn
|
August 15, 1812
|
Present-day Chicago, Illinois
|
War of 1812
|
Potawatomi Victory
|
67
|
 United States vs Potawatomi
|
| Battle of Africa Point
|
April 18, 1813
|
near Palestine, Illinois
|
War of 1812
|
Kickapoo Victory
|
9
|
United States vs Kickapoo
|
| Battle of Rock Island Rapids
|
July 19, 1814
|
Campbell's Island, Illinois
|
War of 1812
|
Native Victory
|
18+
|
United States vs Sauk, Fox, and Kickapoo
|
| Battle of Stillman's Run
|
May 14, 1832
|
Near present-day Stillman Valley, Illinois
|
Black Hawk War
|
Native Victory
|
15-17
|
United States vs Sauk and Fox
|
| Buffalo Grove ambush
|
May 19, 1832
|
Near present-day Polo, Illinois
|
Black Hawk War
|
Native Victory
|
1+
|
United States vs Kickapoo
|
| St. Vrain Massacre
|
May 19, 1832
|
Near present-day Pearl City, Illinois
|
Black Hawk War
|
Native Victory
|
4
|
United States vs Ho-Chunk or Sauk and Fox
|
| Plum River raid
|
May 21, 1832
|
Near present-day Savanna, Illinois
|
Black Hawk War
|
|
0
|
United States vs Sauk or Fox
|
| Battle of Kellogg's Grove
|
June 16 and 25, 1832
|
Near Kent, Illinois
|
Black Hawk War
|
United States Victory
|
23+
|
United States vs Sauk, Fox, and Kickapoo
|
| Battle of Waddams Grove
|
June 18, 1832
|
Near Waddams Grove, Illinois
|
Black Hawk War
|
United States Victory
|
5-9
|
United States vs Sauk
|
| Battle of Apple River Fort
|
June 24, 1832
|
Near Elizabeth, Illinois
|
Black Hawk War
|
United States Victory
|
1+
|
United States vs Sauk and Fox
|
| Illinois Mormon War
|
June 10, 1844 - September 16, 1846
|
Nauvoo, Illinois
|
|
Illinois Victory
|
~10
|
 Illinois and Illinois Militia vs Nauvoo Legion
|
| Charleston riot
|
March 28, 1864
|
Charleston, Illinois
|
Civil War
|
|
9
|
 Union Army vs Copperheads
|
| Haymarket Affair
|
May 4, 1886
|
Chicago, Illinois
|
|
|
11
|
Chicago Police Department vs Federation of Organized Trades and Labor Unions
|
| Battle of Virden
|
October 12, 1898
|
Virden, Illinois
|
Coal Wars
|
|
11
|
United Mine Workers vs Thiel Detective Service Company
|
| Herrin Massacre
|
June 21–22, 1922
|
Herrin, Illinois
|
Coal Wars
|
|
23
|
United Mine Workers vs Southern Illinois Coal Company
|
