Neville's mother visits him and his son in New York
Date (happened)
1926
stated · preferred
Reasoning
Neville states the year directly and precisely in his own first-person account of the visit; no inference is required.
Told / reported
31 January 1969
estimated · probable
Reasoning
The visit is recounted during this lecture; every delivery claim on the node converges on 1969-01-31 but none reaches certain, so the told claim is capped at probable per the inheritance ceiling.