Date (happened)
1 January 1963
passage 543072 (lecture nid 1755), 'on the first day of January of 1963 for the fourth eruption'
Told / reported
17 July 1968
delivery claims on lecture nid 1755, 'The Pattern Man': catalogue title/date match (hist_event 461) and an independent chrome dateline, both 1968-07-17