1. On September 24, 1873, the Great Fire of Portland began, destroying a large part of the city's downtown area. It started in a commercial building and quickly spread to surrounding buildings, causing millions of dollars in damage and leaving thousands homeless.

2. Maine governor L. Mendall Morrill signed a law establishing the University of Maine on September 24, 1862. The university, located in Orono, is the flagship campus of the University of Maine System and has a long history of excellence in research and education.

3. On September 24, 1919, the first recorded flight over Mount Katahdin took place. The flight was made by Wendell Oliver, who flew his plane over the highest peak in Maine, providing spectacular views of the mountain and surrounding area.

4. The Maine State House, located in Augusta, was officially dedicated on September 24, 1832. The building, which serves as the seat of government for the state of Maine, is an iconic symbol of Maine's rich history and culture.

5. On September 24, 1980, the Penobscot Narrows Bridge opened, connecting the town of Prospect to Verona Island. The bridge, which spans the Penobscot River, is the tallest bridge in Maine, and its observation tower provides stunning views of the surrounding landscape. The bridge has become a popular tourist attraction in the area.