Neville visits Neville Mark's family in New York and hears the boy speak of his true identity
Date (happened)
c. 1964
relative · possible · preferred
Source
passage 549845: 'About five years ago' while visiting the family in New York City
Reasoning
The telling is in a certainly dated 1969-04-28 lecture. Subtracting the explicitly approximate five-year interval yields circa 1964; year-only possible confidence preserves the looseness of 'about'.
Told / reported
28 April 1969
estimated
Source
certain preferred delivery claim on lecture nid 1950, corroborated by node 1144
Reasoning
Passage 549845 belongs to nid 1950, whose matching independent site datelines establish delivery on 1969-04-28 certain; the refuted 1970 catalog link is not used.