1. Maine became the 23rd state on May 3, 1820. Maine was once a part of Massachusetts until it was granted statehood as part of the Missouri Compromise.

2. May 3, 1919, marked the opening of Acadia National Park. Situated on Mount Desert Island, Acadia National Park is a popular tourist spot, boasting over 3.5 million visitors per year.

3. The Saco River Flood, which occurred on May 3, 1953, caused major devastation in parts of Maine and New Hampshire. Torrential rain caused the river to swell, and the resulting floodwaters destroyed entire towns and caused 14 deaths.

4. May 3, 1926, marked the birth of singer, songwriter, and poet Pete Seeger. Seeger is known for his contributions to the world of folk music and his social activism.

5. On May 3, 1971, the Maine Medical Center was established in Portland. Today, the facility is the largest hospital in northern New England, with a staff of over 6,000 healthcare professionals.