May 1984

Tuesday 08:

Cpl. 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.

Friday 11:

A transit of Earth from Mars takes place; no one is there to observe it.

Thursday 17:

Prince Charles calls a proposed addition to the National Gallery, London, a "monstrous carbuncle on the face of a much-loved and elegant friend," sparking controversies on the proper role of the Royal Family and the course of modern architecture.