{"conversationCode":"421-033","tapeNumber":421,"conversationNumber":33,"identifier":"37-wht-conversation-421-033","startDateTime":"1973-03-28T16:09:00.000Z","endDateTime":"1973-03-28T17:28:00.000Z","startDate":"28-Mar-1973","startTime":"11:09 AM","endDate":"28-Mar-1973","endTime":"12:28 PM","dateCertainty":"certain","timeCertainty":"estimated","participants":"Nixon, Richard M. (President);","description":"On March 28, 1973, President Richard M. Nixon met in the President's office in the Old Executive Office Building at an unknown time between 11:09 am and 12:28 pm. The Old Executive Office Building taping system captured this recording, which is known as Conversation 421-033 of the White House Tapes.","locationCode":"EOB","recordingDevice":"Old Executive Office Building","latitudeEstimated":38.897567,"longitudeEstimated":-77.039147,"chronCode":"5.4","chronRelease":"Fifth Chronological Release: Part IV","chronReleaseDate":"8-Dec-2010","aogpRelease":null,"aogpSegment":null,"lastModified":"2015-07-27T17:04:10.235Z","findingAid":"Conversation No. 421-33\n\nDate: March 28, 1973\nTime: Unknown between 11:09 am and 12:28 pm\nLocation: Executive Office Building\n\nThe President dictated a memorandum for the file.\n\n******************************************************************************\n[Begin segment reviewed under deed of gift]\n\n       Telephone call [?]\n            -Congratulations [?]\n            -Private conversation\n            -John D. Ehrlichman [?]\n            -William P. Rogers [?]\n\n[End segment reviewed under deed of gift]\n******************************************************************************","filename":["421-033.mp3"],"tapeStart":"","tapeEnd":"","participantsList":["Nixon, Richard M. (President)"],"prevCode":"421-032","nextCode":"421-034","transcript":[{"start":0.03,"end":2.14,"text":"The lecture is called..."}],"aiSummary":{"text":"President Nixon recorded a memorandum for the file regarding a private telephone call involving John D. Ehrlichman and William P. Rogers. The discussion centered on an exchange of congratulations between the participants. No further substantive policy decisions or action items were documented in this brief dictation.","topics":["Memorandum","John D. Ehrlichman","William P. Rogers","Presidential records"],"generatedAt":"2026-04-06T19:12:13.275Z"},"topicSlugs":["memorandum","john-d-ehrlichman","william-p-rogers","presidential-records"],"audioDurationSec":63,"audioFiles":[{"file":"421-033.mp3","bytes":485376,"durationSec":63.23,"bitrate":61414,"missing":false}],"audioIsShared":false,"audioProbedAt":"2026-09-18T02:19:46.739Z","audio":["https://nixon.nyc3.digitaloceanspaces.com/audio/421-033.mp3"],"url":"https://www.easynixon.org/tapes/421-033","nixonLibraryUrl":"https://www.nixonlibrary.gov/white-house-tapes/421/conversation-421-033","license":"Public domain (U.S. Government work). AI-generated fields (transcript, aiSummary) are provided as-is without warranty."}