Tornado 39 years ago in Sudbury
As amazing has this might be, on August 20, 39 years ago a Tornado swept through Sudbury, Lively and Field Ontario, killing six people and injuring over 200 more. A total of 17 million dollars in damage was done.
Here is a link to the CBC Archive video of the aftermath. When you click on the link it will take you to the CBC archives and start playing.