1. Maine's first constitution was adopted on May 9, 1819. This constitution officially separated Maine from Massachusetts and established Maine as its own state.

2. The Franco-American Monument was unveiled in Lewiston on May 9, 1909. This monument honors French Canadian immigrants who helped shape the state's culture and economy.

3. On May 9, 1927, Charles Lindbergh made a stop in Portland during his transatlantic flight. He was greeted by thousands of Mainers who were excited to see the famous aviator.

4. The Maine State Society for the Protection of Animals was founded on May 9, 1872. This organization works to protect and care for animals in Maine.

5. May 9, 1960 marked the opening of the University of Maine at Machias. This campus offers a variety of programs and degrees, and is a popular destination for students from all over Maine.