1. In 1775, Benedict Arnold and his troops arrived in Maine on their way to Quebec during the Revolutionary War.

2. On October 6, 1937, Maine's first commercial airport opened in Portland, replacing its previous airport, which was located in the city's West End.

3. In 1951, the "Great Fires of 1947" were finally declared officially extinguished, six years after burning through over 200,000 acres of Maine forest and destroying several towns and villages.

4. On this day in 1979, the first troopers graduated from the Maine State Police Academy, ending the agency's reliance on part-time constables and sheriffs.

5. Finally, October 6, 2011 marked the day that, after 43 years on the Kennebec River in Augusta, the state's Department of Environmental Protection moved to a newly constructed building in nearby Vassalboro.