The
Northeast blackout of 1965 was a significant disruption in the
supply of electricity on Tuesday, November 9, 1965, affecting parts of
Ontario in
Canada and
Connecticut,
Massachusetts,
New Hampshire,
New Jersey,
New York,
Rhode Island, Pennsylvania, and
Vermont in the
United States. Over 30 million people and 80,000 square miles (207,000 km
2) were left without electricity for up to 13 hours.