1. In 1777, the Battle of the Assunpink Creek was fought in New Jersey during the Revolutionary War. Maryland troops played a key role in the battle, helping to prevent British forces from advancing on Philadelphia.

2. On January 2, 1811, the Maryland State House in Annapolis caught fire and was destroyed. The state government was forced to temporarily relocate to Baltimore until a new State House could be built.

3. The Baltimore and Ohio Railroad Company was established on January 2, 1827. This was the first railroad company in the United States, and it played a significant role in Maryland's industrial development.

4. In 1863, the Battle of Stones River ended in Tennessee during the Civil War. Maryland soldiers fought on both sides of the conflict, with some serving in the Union army and others fighting for the Confederacy.

5. On January 2, 1896, the state of Maryland adopted its first state flag. The flag features the colors and symbols of the Calvert and Crossland families, who were the founders of the original colony of Maryland.