1. Maine became a state: On February 28, 1820, Maine officially became the 23rd state of the United States. Prior to that, it had been a province of Massachusetts.

2. Frontier skirmishes: On February 28, 1676, a group of English settlers were ambushed by Native Americans in what is now known as the Battle of Pequawket. The skirmish occurred during King Philip's War, a conflict between Native American tribes and English colonists.

3. Snowfall record: On February 28, 1969, a record-breaking snowstorm hit Maine, dropping over 30 inches of snow in some areas. The storm caused widespread power outages and transportation disruption, but is now remembered as a hallmark of Maine's harsh winter weather.

4. Fire destroys downtown: On February 28, 1904, a massive fire broke out in downtown Portland, Maine, destroying over 150 buildings. The fire, which lasted for several hours, was eventually extinguished by firefighters from across New England.

5. First woman to receive a pilot's license: On February 28, 1928, Augusta H. Bradner became the first woman in Maine to receive a pilot's license. Bradner went on to become a well-known aviator and aviation instructor, breaking down barriers for women in the male-dominated field of aviation.