1. Maine joined the Union: On January 28, 1820, Maine became the 23rd state to join the United States of America. This followed a long process of negotiation and compromise between various factions, including those who wanted Maine to be a separate state and those who wanted it to remain part of Massachusetts.

2. First Woman Governor: On January 28, 1997, Maine elected its first female governor, Angus King. King, who served as an independent, was known for his progressive policies on education, health care, and the environment.

3. First Women's Hospital: On January 28, 1889, the Augusta General Hospital for Women and Children was founded in Maine. It was the first hospital in the state dedicated to the care of women and children.

4. US Navy Warship launched: On January 28, 1943, the USS Harmon, a US Navy warship, was launched from a shipyard in Portland, Maine. The ship was named in honor of Mess Attendant First Class Leonard Roy Harmon, who was posthumously awarded the Navy Cross for his heroism during the Battle of the Solomons in World War II.

5. Major Blizzard: On January 28-29, 1977, a major blizzard hit Maine, causing widespread damage and disruption. The storm dumped over 30 inches of snow on the state and caused extensive power outages and road closures. It was one of the worst blizzards in Maine's history.