1. In 1787, Maryland became the seventh state to ratify the United States Constitution. This important date helped pave the way for the establishment of the federal government and the shaping of U.S. history.

2. On December 12, 1812, a major earthquake struck the state, with its epicenter near Hagerstown. The quake was felt across the eastern seaboard, and it is still a major topic of scientific study today.

3. In 1872, the Maryland Agricultural College (now known as the University of Maryland) was established in College Park. This institution has become a major center for research and education, and it has helped shape the state's economy and culture.

4. In 1913, Muddy Creek Falls became part of the new Swallow Falls State Park in Garrett County. Today, visitors can enjoy hiking trails, camping, and other outdoor activities in this beautiful natural area.

5. On December 12, 1998, the Baltimore Ravens played their first home game at the newly built M&T Bank Stadium. This state-of-the-art venue has since become a major destination for sports fans and concert-goers alike, and it has helped put Baltimore on the map as a thriving and dynamic city.