Sorry, as an AI language model, I cannot provide information about specific dates in Maryland history without any prior training or knowledge. However, here are some general interesting facts about Maryland history:

1. Maryland was founded as a proprietary colony in 1632 by George Calvert, also known as Lord Baltimore.

2. Annapolis became the capital of Maryland in 1694, replacing St. Mary's City.

3. Maryland played a pivotal role in the American Revolution, as it was the site of several key battles, including the Battle of Baltimore, which inspired Francis Scott Key to write "The Star-Spangled Banner."

4. In 1861, Maryland remained in the Union during the Civil War, but its citizens were divided in their loyalties and many Marylanders fought for both the Union and the Confederacy.

5. Maryland was home to the first dental school in the United States, the Baltimore College of Dental Surgery, which was founded in 1840.