Last Updated on October 15, 2026 by Editorial Staff Maine is the 42nd most populous and the 39th most extensive of the 50 states of the United States. It lies in the New England region of the north-eastern United States. The state attained statehood on March 15, 1820, becoming the 23rd state to join the Union. It shares its border with only one state – New Hampshire. Maine, nicknamed, the Pine … Continue reading 99 Interesting Facts About Maine