Date (happened)
c. 1925
(possible)
age 20 + birth 1905 = 1925 (1 statement, told ?)
Autobiographical memory recalled by Neville in his lectures. Year derived: age 20 + birth 1905 = 1925. Told 1 time (?). Judged his own (not a retold third-party story) by the whose_age adjudication.