1. On November 27, 1943, the USS O'Bannon, a destroyer in the United States Navy, was commissioned in Bath, Maine. The ship served in the Pacific during World War II and was awarded five battle stars for its service.

2. Maine's first public library, the Portland Public Library, opened its doors on November 27, 1867. The library was funded by a $50,000 donation from businessman James B. Brown, who wanted to provide access to books and resources for all citizens of Portland.

3. On November 27, 1970, the University of Maine's mascot, Bananas the Bear, made his debut at a basketball game. Bananas was chosen as the school's mascot because of the state's large population of black bears, which are commonly found in Maine's forests.

4. In 1913, Maine's first woman dentist, Dr. Florence L. Kimball, began practicing in Portland. Dr. Kimball was a graduate of the Boston Dental College and opened her own practice, paving the way for other women in the field.

5. On November 27, 1783, the first known Thanksgiving celebration in Maine took place in Portland. The celebration was organized by the local Masonic lodge and included a procession, a sermon, and a feast. The tradition of Thanksgiving continues to be an important part of Maine's culture and history.