Markham Fair is the registered trade name of the Markham and East York Agricultural Society, which is a not for profit Corporation formed under the Agricultural Societies Act of the Province of Ontario. Markham Fair occurs annually on the weekend before Thanksgiving, and hosts upwards of 60,000 attendees. Approximately 3,000 exhibitors will enter more than 10,000 items, which will be judged and put on display during the fair.more...See more text