Source-checked case file
Frank Calder joins Social Credit (1975)
- Permanent identifier
- CTF-E-000059
- Publication status
- Verified
- Evidence level
- Corroborated
- Revision
- 2
Record identity
- Date
- 1975
- Date precision
- Year known
- Jurisdiction
- British Columbia
- Legislature
- Legislature of British Columbia
- Chamber
- Legislative Assembly
- Transition type
- Affiliation change
- Event scope
- Individual
- Legacy row ID
- 59
- Last source check
- August 1, 2026
Participants and affiliation change
CTF-EP-000059-01
British Columbia New Democratic PartyBritish Columbia Social Credit Party
Effective date: 1975
After the switch
What happened next?
Only claim-cited outcomes with a recorded AI or human source check appear here. Timing alone never proves that a job or appointment was exchanged for a floor crossing.
Frank Calder
CTF-EP-000059-01
Cabinet appointment
Not applicableFrank Calder became Minister without Portfolio in the NDP government on September 15, 1972, before the 1975 Social Credit change. It is prior-office context, not a crossing benefit.
- Date
- September 15, 1972
- Evidence
- 1 linked sources
- Compensation
- Pay unknown
- Timing from crossing
- Context only
- Causation
- Causation not established
- Evidence confidence
- High confidence
- Official title
- Minister without Portfolio
- Appointment authority
- Premier of British Columbia
- Frank Calder — first First Nations person elected to a Canadian legislatureLegislative Assembly of British Columbia · Minister without Portfolio from 1972-09-15; joined NDP cabinet in 1973
CTF-O-0017-CALDER-PRIOR-CABINET-19720915
Claims and evidence
Historical fact · Supported · High confidence
Frank Calder changed from the British Columbia NDP to Social Credit in 1975.
CTF-CL-000059-AFFILIATION
A checklist of members of the Legislature of British Columbia — source checked
- Permanent identifier
- CTF-S-BC-MLA-CHECKLIST-2013
- Reliability
- Official primary source
- Source language
- English
- Locator
- record 30th Parliament; Frank Calder; Hugh Curtis; Garde Gardom; Patrick McGeer; Allan Williams; affiliation changes
Calder v. British Columbia (Attorney General), [1973] SCR 313 — source lead — not checked
- Permanent identifier
- CTF-S-000099
- Reliability
- Not yet assessed
- Source language
- Language not identified
- Locator
- Unknown
Frank Calder - Wikipedia — source lead — not checked
- Permanent identifier
- CTF-S-000098
- Reliability
- Tertiary source
- Source language
- Language not identified
- Locator
- Unknown
Wikipedia: Frank Calder — source lead — not checked
- Permanent identifier
- CTF-S-000060
- Reliability
- Tertiary source
- Source language
- Language not identified
- Locator
- Unknown
Revision history
Revision 2 · Corrected
Separated Frank Calder’s 1972 cabinet service from the 1975 crossing aftermath.
CTF-R-000059-0002
Revision 1 · Created
Imported from the legacy archive as an unpublished research lead. Historical narrative, motive labels, and benefit scores were not treated as verified claims.
CTF-R-000059-0001