1. Maine became the 23rd state in the United States on November 12, 1820. The state was formed from part of the state of Massachusetts.

2. In 1866, the first issue of the Bangor Daily Whig and Courier newspaper was published. The newspaper was later renamed the Bangor Daily News and is still in circulation today.

3. On November 12, 1960, the deadliest flash flood in Maine's history occurred in the city of Portland. Seven people were killed and many others were injured as a result of the flood.

4. The Maine Turnpike opened to traffic on November 12, 1947. The toll road stretches 109 miles from Kittery to Augusta, connecting southern and central Maine.

5. On November 12, 1987, the first Maine-built submarine, the USS Philadelphia, was commissioned by the United States Navy. The submarine was built at the Portsmouth Naval Shipyard in Kittery, Maine.