1. In 1783, the Maryland State House in Annapolis served as the site of the Treaty of Paris, which officially ended the American Revolutionary War.

2. On December 23, 1822, Samuel Chase, one of Maryland's signers of the Declaration of Independence, passed away in Baltimore. Chase also served on the Supreme Court of the United States from 1796 to 1811.

3. In 1843, the B&O Railroad, America's first commercial railroad, opened the Thomas Viaduct, a stone arch bridge spanning the Patapsco River in Ellicott City. The viaduct remains in use today.

4. December 23, 1998 marked the opening of Baltimore's Hippodrome Theatre. The stunning Beaux-Arts theater, which features a 2,248-seat auditorium, has been a staple of Baltimore's arts scene for over 20 years.

5. On December 23, 2014, the Baltimore Ravens football team signed Pro Bowl kicker Justin Tucker to a four-year contract extension. Tucker has since become one of the team's most beloved players and holds the NFL record for the most field goals made in a single season without a miss.