Adam Lanza shot and killed 20 children and 6 adults at the Sandy Hook Elementary School in Newtown, Connecticut.
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Automatic street lights first appeared in New Milford, Connecticut, US.
Sandwich restaurant Subway was founded in Bridgeport, Connecticut, US.
Connecticut became the 5th state to join the United States of America.
Hurricane Carol hit Connecticut and Rhode Island.
One of America's oldest documented highways was completed on this day in Connecticut, USA.
