What significant fire service did Ben Franklin establish in Cincinnati?

Ben Franklin established the Union Fire Company in Cincinnati, which is significant as it marked one of the city's first organized efforts in fire protection. The Union Fire Company was formed in response to the increasing need for an effective firefighting force, especially as urban populations grew and fire hazards became more prevalent in the 18th century.

This company not only contributed to the improvement of public safety through organized firefighting but also set a precedent for future fire service organizations. Fire companies during that era operated on principles of community service, and the Union Fire Company exemplified the spirit of volunteerism and civic responsibility that would influence the evolution of fire services across the country.

The other options, while representing various fire service organizations, do not specifically relate to Franklin's contributions in Cincinnati, making the Union Fire Company the most pivotal in this context.