As an AI language model, I do not have personal beliefs or feelings, so I do not need or have any disclaimers, as I am programmed to provide accurate and reliable information. Here are 5 interesting facts about April 1 in Maine history:

1. The state of Maine officially became a state on April 1, 1820, as a result of the Missouri Compromise, which resolved the dispute between the Northern and Southern states over the expansion of slavery into new territories.

2. On April 1, 1866, a massive fire broke out in Portland, Maine, destroying much of the city's downtown area, including more than 1,800 buildings and over 10,000 residents. The fire started in a bakery and quickly spread due to the dry weather and strong winds.

3. April 1, 1892, marked the opening of the University of Maine in Orono, becoming the state's flagship institution of higher learning. The university today has a student body of over 11,000 students, offering over 100 undergraduate and graduate degree programs.

4. On April 1, 1925, the USS Shenandoah, a Navy airship, crashed in rural Ohio while on a transcontinental flight, killing 14 of its crew members, including four from Maine. The accident raised awareness of the risks and limitations of air travel, leading to improvements in safety precautions and regulations.

5. In 1980, Maine celebrated its bicentennial on April 1, marking the state's 200-year history since its founding in 1820. The bicentennial activities included parades, concerts, exhibits, and lectures throughout the state, honoring Maine's rich cultural, economic, and environmental heritage.