On November 10, 1975, the SS Edmund Fitzgerald sank during a powerful storm in Lake Superior, off the coast of the Upper Peninsula. The intense low pressure moved across the northern Great Lakes, causing 20-foot waves and winds of upward of 90 mph which battered and eventually sunk the freighter.
To learn more about the weather behind this historic event, watch this presentation from Dr. Steve Ackerman, with the Department of Atmospheric and Oceanic Studies from the University of Wisconsin-Madison.