Maryland:
- Date of Independence: July 4, 1776 (as part of the original 13 colonies declaring independence from Britain)
- Date of Annexation to United States of America (USA): April 28, 1788 (7th state to ratify the Constitution)
- Population (2025): 6.3 million
- GDP (2025): $432 billion
- Largest City: Baltimore (553,000)
- State Capital: Annapolis (40,000)
- Historical Note: Known as the “Old Line State” and “Free State.” Founded as Catholic haven by Lord Baltimore. Home to Fort McHenry where Francis Scott Key wrote “The Star-Spangled Banner” during War of 1812. Major role in Civil War as border state. Chesapeake Bay defines its geography and maritime culture.