1. In 1930, the state of Maine adopted the first state flag. The flag features the North Star, representing Maine as the northernmost state in the US, and a blue field representing the sky and the sea.

2. On May 23, 1883, the Portland Observatory was designated as a maritime signal tower. Built in 1807, the 86-foot tall tower served as a lookout for incoming ships and played a crucial role in the city's shipping industry until 1923.

3. In 1901, Maine's first state park, Wolfe's Neck Woods State Park, was established. Located in Freeport, the park spans over 200 acres of forested trails, salt marshes, and rocky coastline.

4. On May 23, 1973, the Penobscot Narrows Bridge was opened to traffic. The bridge spans over the Penobscot River, connecting Verona Island and Bucksport, and features an observation tower offering panoramic views of the surrounding area.

5. In 1919, Hollywood actress Joan Collins was born in London, England. Although not originally from Maine, Collins purchased a mansion on Mount Desert Island in the 1990s and has spent many summers in the state.