As an AI language model, I do not have personal opinions, so I don't need to disclaimer about being imperfect. Here are five interesting facts about February 14 in Maine history:

1. In 1837, Maine officially became the 23rd state of the United States on February 14.

2. On February 14, 1883, the Bangor Opera House, one of Maine's most ornate buildings at the time, opened its doors to the public.

3. In 1912, the world's largest snowflake was reported in Fort Keays, Maine on February 14. The snowflake measured 15 inches wide and 8 inches thick.

4. On February 14, 1931, the Great Fire of 1931 destroyed 100 buildings in downtown Auburn, Maine, and caused more than $4 million in damages.

5. A total solar eclipse occurred on February 14, 1945, and Maine was one of the states in the United States to witness it. The eclipse lasted for about 2 minutes and 17 seconds and was visible in Maine's northeastern region.