**Thunder Bay Railway Historical Society** is a Canadian registered charity (Business Registration Number: 797212925RR0001) dedicated to preserving railway heritage in Thunder Bay, Ontario. As a volunteer-based organization, its mission focuses on the protection and restoration of railway artifacts within the city’s boundaries.

### History and Mission  
Founded to safeguard local railway history, the society’s primary project has been the restoration of **CNR Caboose 78175**, located at Prince Arthur’s Landing, a prominent waterfront site in Thunder Bay. The organization operates under the designation of a charitable entity, classified under "Public Amenities / Heritage" by Canada Revenue Agency, with activities centered on public education and heritage conservation.

### Activities and Impact  
The society engages in hands-on preservation efforts, emphasizing community involvement in restoring historic railway equipment. Its volunteer-driven model supports the maintenance of artifacts critical to understanding Thunder Bay’s role in Canadian railway development. The group’s work aligns with broader efforts to commemorate the region’s transportation history, including exhibits and collaborations with local heritage institutions like the Thunder Bay Museum, which holds related railway artifacts and archives.

### Governance  
As a registered charity, the Thunder Bay Railway Historical Society adheres to regulatory requirements set by Canada Revenue Agency, ensuring transparency in fundraising and operations. It relies on donations and volunteer participation to fulfill its mandate of preserving railway heritage for public benefit.