1948    The Flag of Quebec is adopted and flown for the first time over the National Assembly of Quebec. The day is marked annually as Quebec Flag Day.

1977    The Charter of the French Language is adopted by the National Assembly of Quebec

1984    Corporal Denis Lortie enters the Quebec National Assembly and opens fire, killing three and wounding 13. René Jalbert, sergeant-at-arms of the assembly, succeeds in calming him, for which he will later receive the Cross of Valour.