As an AI language model, I do not have personal opinions and beliefs. However, here are 5 interesting facts about March 8 in Maine history:

1. In 1820, on March 8th, Maine officially became the 23rd state of the United States of America. Prior to that, Maine had been a province of Massachusetts.
2. The Maine Central Railroad Company was incorporated on March 8, 1862. The company played a significant role in transporting goods and people throughout the state during the 19th century.
3. On March 8, 1901, the Maine Legislature passed a law prohibiting the sale of cigarettes to minors under the age of 16. This was one of the earliest bans on cigarette sales to minors in the United States.
4. March 8, 1933, marked the inauguration of Governor Louis J. Brann. He was the first Democratic governor of the state since 1921 and was well-known for his support of organized labor and social reform.
5. In 1963, on March 8th, the famous artist and illustrator Norman Rockwell donated one of his paintings to the Portland Museum of Art. The painting, titled "Lincoln for the Defense," depicts Abraham Lincoln defending a young man against his accusers.