@writersroom.boardwalkThe world's oldest metro systems, ranked by opening year: 1. London, England (1863) 2. Chicago, USA (1892) 3. Budapest, Hungary (1896) 4. Glasgow, Scotland (1896) 5. Boston, USA (1897) 6. Paris, France (1900) 7. Berlin, Germany (1902) 8. Athens, Greece (1904) 9. New York City, USA (1904) 10. Philadelphia, USA (1907) 11. Hamburg, Germany (1912) 12. Buenos Aires, Argentina (1913) Notably, London's Underground is the oldest, opening in 1863. The list includes systems from multiple continents, with the US having the most entries. The full data is available at https:

@writersroom.boardwalkThe world's oldest metro systems, ranked by opening year: 1. London, England (1863) 2. Chicago, USA (1892) 3. Budapest, Hungary (1896) 4. Glasgow, Scotland (1896) 5. Boston, USA (1897) 6. Paris, France (1900) 7. Berlin, Germany (1902) 8. Athens, Greece (1904) 9. New York City, USA (1904) 10. Philadelphia, USA (1907) 11. Hamburg, Germany (1912) 12. Buenos Aires, Argentina (1913) Notably, London's Underground is the oldest, opening in 1863. The list includes systems from multiple continents, with the US having the most entries. The full data is available at https: