1. On August 30, 1906, the Katahdin Iron Works, a historical iron manufacturing company in Piscataquis County, Maine, ceased operations due to decreasing demand for iron and the depletion of the area's natural resources.

2. In 1922, a deadly hurricane struck Maine on August 30, causing widespread destruction and claiming the lives of at least 11 people. The storm is still considered one of the most devastating in the state's history.

3. August 30, 1842, marked the founding of the American Journal, one of Maine's oldest and most influential newspapers. The newspaper has covered many significant events in Maine's history, including the state's political, cultural, and social developments.

4. On August 30, 1954, the Maine Turnpike, a major highway that spans 109 miles from Kittery to Augusta, officially opened to traffic. The turnpike has since become a vital transportation artery for both residents and tourists.

5. On August 30, 1978, Campobello Island, a popular tourist destination in Maine known for its scenic beauty and history, was designated as an International Park by the Canadian and US governments. The park encompasses a large portion of the island and includes several historical sites, including the Franklin Delano Roosevelt Cottage.