1. On August 14, 1820, Maine officially became the 23rd state in the United States of America. This followed a long and contentious battle for statehood that lasted several years, as Maine was initially a part of Massachusetts.

2. August 14, 1862 marked the Battle of Cedar Mountain during the American Civil War. The battle took place in Virginia, but the 5th Maine Battery played a crucial role in the Union victory. The battery was commanded by Lieutenant Edwin B. Dow, who was eventually promoted to Major for his exemplary service.

3. In 1907, August 14th marked the opening of the Maine State Sanatorium in Hebron. The sanatorium was established to treat tuberculosis patients, a disease that was rampant at the time. The sanatorium eventually evolved into the Hebron Center for Health and Rehabilitation.

4. August 14, 1927 was the day that Charles Lindbergh visited Maine during his historic tour of the United States after completing the first solo transatlantic flight. Lindbergh landed his plane, the Spirit of St. Louis, at the Portland International Jetport and was greeted by a cheering crowd.

5. On August 14, 1956, Hurricane Connie made landfall in Maine. The hurricane caused widespread flooding and damage across the state, with some areas receiving up to 10 inches of rain in just 24 hours. The hurricane was one of several that hit the United States that year, causing significant damage and loss of life.