Date (happened)
c. April 1967
(probable)
passage 539733 (lecture nid 1440), 'Two years ago I gave my immortal eyes to a lady who is here tonight'
Told / reported
1 April 1969
(probable)
delivery claim on lecture nid 1440 (d1, chrome dateline '4/1/69', flagged as l1 conflict candidate against catalogue #539's 1969-04-18)