March 4 - The Munsinger Affair is Canada's first major political sex scandal
June 16 - Daniel Johnson, Sr, becomes premier of Quebec, replacing Jean Lesage
July 28 - Alex Campbell becomes premier of Prince Edward Island, replacing Walter Shaw
October 1 - The CBC becomes the first Canadian television channel to broadcast in colour.
October 1 - The Canada Pension Plan is established.
October 14 - Montreal inaugurates its metro system (see Montreal Metro).
The Revolutionary Strategy and the Role of the Avant-Garde outlining the strategy of the FLQ is written.
Grey Cup - Saskatchewan Roughriders win 29-14 over the Ottawa Rough Riders
Vanier Cup - St. Francis Xavier X-Men win 40-14 over the Waterloo Lutheran Golden Hawks
Stanley Cup - Montreal Canadiens win 4-2 over the Detroit Red Wings
Arts and literature
Cold Mountain. Singing Hands Series 3 by B. P. Nichol
The Circle Game by Margaret Atwood
Expeditions by Margaret Atwood
Speeches for Doctor Frankenstein by Margaret Atwood
See 1966 Governor General's Awards for a complete list of winners and finalists for those awards.
Stephen Leacock Award: George Bain, Nursery Rhymes to Be Read Aloud by Young Parents with Old Children
March 3 - Canadian Neil Young, joins Stephen Stills and Richie Furay to form Buffalo Springfield.
Star Trek premieres starring Montreal actor William Shatner
December 1 - Larry Walker, baseball star
December 21 - Kiefer Sutherland, actor
July 11 - Andrew McNaughton, army officer and politician