1. Maryland became a state: November 28, 1787, is the day when Maryland officially became the seventh state to join the United States of America.

2. "Old Ironsides" launched: On November 28, 1797, the USS Constitution, aka "Old Ironsides," was launched in Boston, Massachusetts. The ship earned its nickname after it defeated several British ships during the War of 1812.

3. Baseball Hall of Famer born: Frank "Home Run" Baker, a baseball Hall of Famer, was born on November 28, 1886, in Trappe, Maryland. Baker played for the Philadelphia Athletics and the New York Yankees during his career.

4. First nuclear reactor in Maryland: On November 28, 1967, the first nuclear reactor in Maryland went online. Located in Glen Burnie, the reactor was used for research purposes and produced power for the surrounding area.

5. State's first black governor elected: On November 28, 1989, Maryland elected its first black governor, Parris Glendening. Glendening served two terms as governor from 1995 to 2003 and is credited with improving education and environmental protections in the state.