20th Century
- 1902 - June 22: Toronto Streetcar Strike riot
- 1907 - Anti-Oriental Riots
- 1918 - Conscription Crisis of 1917
- 1919 - Winnipeg General Strike
- 1925 - New Waterford Rebellion. See Davis Day.
- 1926 - Regina Riots
- 1933 - August 16: Christie Pits riot in Toronto.
- 1935 - The On-to-Ottawa Trek and Regina Riot.
- 1935 - The Battle of Ballantyne Pier
- 1938 - Bloody Sunday
- 1939 - 1945 Second World War
-
- 1939 - 1945 Battle of the Atlantic
- 1942 - 1944 Battle of the St. Lawrence
- 1942 - Bombardment of Estevan Point lighthouse
- 1944 - Terrace Mutiny
- 1945 - Halifax Riot on Victory in Europe Day.
- 1955 - Richard Riot
- 1967 - Yorkville, Toronto summer street sit-ins and "riots".
- 1969 - Murray-Hill riot
- 1970 - FLQ - October Crisis
- 1971 - Gastown Riots
- 1982 - October 14: The Squamish Five, bombs a Litton Industries factory.
- 1983 - Solidarity Crisis
- 1985 - June 23: Air India flight 182
- 1990 - July 11 to September 26: Oka Crisis
- 1990-1992 - Strike, strike-breaking, and bombing at Royal Oak Mines in Yellowknife, NWT
- 1993 - June 9: Montreal Stanley Cup Riot
- 1994 - June 14: Vancouver Stanley Cup Riot
- 1995 - Gustafsen Lake Standoff
- 1995 - Ipperwash Crisis
- 1997 - 2000 Wiebo Ludwig and his followers bomb wellheads in Alberta's oil country
Read more about this topic: List Of Conflicts In Canada