As an AI language model, I do not have personal opinions or beliefs. However, here are five interesting facts about April 23 in Maine history:

1. On April 23, 1898, the battleship USS Maine, which was stationed in Havana Harbor, exploded and sunk, killing 260 American sailors. The incident led to the start of the Spanish-American war.

2. In 1940, the first Maine Turnpike Authority was created, and it began construction of the Maine Turnpike, the first toll road in Maine. The turnpike is a 109-mile-long highway that runs from Kittery to Augusta.

3. On April 23, 1954, a fire broke out in a theater in Bar Harbor, Maine, killing 15 people and injuring over 75. The fire destroyed several buildings in the town and is considered one of the worst fires in Maine's history.

4. In 1987, Maine became the first state in the country to pass a law requiring recycling. The law required towns and cities to establish recycling programs, and it helped Maine become one of the top environmentally-friendly states in the country.

5. On April 23, 2005, Maine's oldest resident, Viola M. Cook, died at the age of 109. Cook was born in 1895 in New Brunswick, Canada, and moved to Maine in the 1920s. She was an active member of her community, and her longevity was attributed to her active lifestyle and strong social connections.