Date (happened)
9 November 1968
(probable)
passage 551998 (lecture nid 2032, corroborated at 544354 in nid 1788), 'for the first time in recorded history, the east experienced an earthquake which shook twelve states'
Told / reported
20 January 1969
delivery claim d1 on lecture nid 1788, chrome dateline '1/20/69' corroborated by internal reference to a presidential inauguration 'in Washington' that day (Nixon, 20 Jan 1969)