History of Canada’s Food Guides from 1942 to 2007 The “new” Canada Food Guide has a 77-year history behind it. History of Canada’s Food Guides from 1942 to 2007 By Mary Leah de Zwart|2022-09-17T19:55:07-07:00January 22, 2019|What's Making Food History| Please Share! FacebookXRedditPinterestEmail About the Author: Mary Leah de Zwart