January 12 - Richard Nerysoo becomes government leader of the Northwest Territories, replacing George Braden
February 29 - Pierre Trudeau announces he will retire as soon as the Liberals can elect another leader
May 19 - The NHL's Edmonton Oilers win the Stanley Cup defeating the New York Islanders 5-2 at Edmonton and ending the Islanders dynasty. The first in Oilers club history and of a new dynasty.
June 30 - John Turner becomes Canada's seventeenth prime minister replacing the retiring Pierre Trudeau.
Summer - At the 1984 Summer Olympics held in Los Angeles Canada has its best performance ever, mostly due to the boycott of the games by the Eastern Bloc countries.
September 4 - 1984 Canadian election Turner's Liberals are routed as Brian Mulroney wins the largest majority in Canadian history.
September 9-20 - Pope John Paul II tours Canada.
September 17 - Brian Mulroney is sworn in as Canada's eighteenth prime minister.
October 5 - Marc Garneau becomes the first Canadian in space, aboard the Space Shuttle Challenger (41-6).
Richard Nerysoo becomes premier of the Northwest Territories. The territory recognizes aboriginal languages as official languages.
Labatt introduces the first twist-off cap on a resuable beer bottle.
Grey Cup - Winnipeg Blue Bombers won 47-17 over the Hamilton Tiger Cats
Vanier Cup - Guelph Gryphons won 22-13 over the Mount Allison Mounties
Arts and literature
Neuromancer - William Gibson
La Détresse et l'enchantement - Gabrielle Roy
Dinner Along the Amazon - TImothy Findley
The Summer Tree - Guy Gavriel Kay
See 1984 Governor General's Awards for a complete list of winners and finalists for those awards.
Books in Canada First Novel Award: Heather Robertson, Willie
Gerald Lampert Award: Sandra Birdsell, Night Travellers and Jean McKay, Gone to Grass
Pat Lowther Award: Bronwen Wallace, Signs of the Former Tenant
Stephen Leacock Award: Gary Lautens, No Sex Please...We're Married
Vicky Metcalf Award: Bill Freeman
James Cameron's The Terminator propels the Canadian director to international fame
Jeopardy is relaunched with Canadian Alex Trebek as host
Second City Television ends its run on Canadian television
September 27 - Avril Lavigne, singer/songwriter
Gaëtan Dugas - early AIDS victim
Gordon Sinclair - newspaper columnist