1. Maine Became a State: On December 2, 1820, Maine became the 23rd state to join the United States. Previously, Maine was a part of Massachusetts, but due to various reasons such as cultural differences and economic disparities, Maine decided to separate and form its own state.

2. First Women Elected to Maine Legislature: On December 2, 1924, Maine made history by electing the first two women to its Legislature. Representatives Edith Sampson and H. Florence Johnson became the first women legislators not only in Maine but also in the entire New England region.

3. First Snowmobile Patent Issued: On December 2, 1927, Carl Eliason received the first patent for a snowmobile. Eliason, who was from Wisconsin, built the first snowmobile in 1924. The snowmobile became an essential vehicle for transportation and recreation, especially in snowy states like Maine.

4. First African American Woman Inducted into Maine Women's Hall of Fame: On December 2, 1997, the first African American woman, Rachel Talbot Ross, was inducted into the Maine Women's Hall of Fame. Ross, a civil rights activist and community leader, was recognized for her tireless work in promoting equality and social justice in Maine.

5. Brunswick Naval Air Station Closed: On December 2, 2011, the Brunswick Naval Air Station was formally closed after being in operation for over 60 years. The closing of the base brought an end to an era of aircraft carrier landings, fighter jets, and naval operations in Maine. The base is now being redeveloped into a business and technology park.