This week a Bowmanville, Ont. couple found out the hard way that just having a valid passport isn’t enough to get you out of the country. Dallas Hill and Evan Bouckley were prevented from boarding a flight to Italy because Hill's passport was set to expire in July; Canadians who are travelling to the Shengen area of European states need passports that will be valid for at least three months after they leave the region they're visiting. Some countries have even stricter passport authentication requirements.
four more fun facts about canadian passports at source.