Nixon White House TapesTape 483 › Conversation 483-023

United States Secret Service agents on Secret Service

Tuesday, April 20, 1971 · 6:44 PM–7:00 PM ET · Oval Office ·18 sec

ParticipantsUnited States Secret Service agentsConversation483-023 onTape 483 (tape position 05:05:52–05:06:16)StartTuesday, April 20, 1971 at 6:44 PMEndTuesday, April 20, 1971 at 7:00 PMRecording deviceOval OfficeSourceNixon Library record for 483-023 ↗

Secret Service agents gathered in the Oval Office to confirm the President's current location and movements. This routine operational briefing served to ensure the physical security and tracking of Richard Nixon. Due to the limited nature of the recording, no further substantive discussions or policy decisions were documented.

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No transcript is available yet for this conversation. The recording may contain no audible speech, or it may not have been processed.

On April 20, 1971, United States Secret Service agents met in the Oval Office of the White House at an unknown time between 6:44 pm and 7:00 pm. The Oval Office taping system captured this recording, which is known as Conversation 483-023 of the White House Tapes.

Conversation No. 483-23

Date: April 20, 1971
Time: Unknown between 6:44 pm and 7:00 pm
Location: Oval Office

Unknown people (Secret Service agents) met.

**********************************************************************

[Previous non-historical (H) withdrawal reviewed under deed of gift 02/05/2020. Segment
cleared for release.]
[Non-Historical]
[483-023-w001]
[Duration: 18s]

       The President’s location

**********************************************************************

The conversation was cut off at an unknown time before 7:00 pm.
  • 483-019 4:20 PM · 51 min — President Richard M. Nixon, H. R. ("Bob") Haldeman, John N. Mitchell, John W. Dean, III, White House photographer, Ronald L. Ziegler, unknown person(s), White House operator, and Sue Morrison met in the Oval Office of the White House from 4:20 pm to 5:14 pm.
  • 002-013 4:42 PM · 9 sec — President Richard M. Nixon and the White House operator talked on the telephone at an unknown time between 4:42 pm and 4:59 pm.
  • 002-014 4:59 PM · 2 min — President Richard M. Nixon, John N. Mitchell, and Sue Morrison talked on the telephone from 4:59 pm to 5:01 pm.
  • 483-020 5:14 PM · 2 min — Alexander P. Butterfield and unknown person(s) met in the Oval Office of the White House at an unknown time between 5:14 pm and 5:17 pm.
  • 483-021 5:14 PM · 40 sec — President Richard M. Nixon, Alexander P. Butterfield, John N. Mitchell, and H. R. ("Bob") Haldeman met in the Oval Office of the White House at an unknown time between 5:14 pm and 5:17 pm.
  • 055-001 5:17 PM — President Richard M. Nixon and Republican senators, including Barry M. Goldwater, Henry L. Bellmon, John G. Tower, Howard H. Baker, Jr., Robert J. Dole, Edward J. Gurney, J. Caleb Boggs, Carl T. Curtis, Clifford P. Hansen, Jack R. Miller, Clark MacGregor, William E. Timmons, Kenneth E. BeLieu, Eugene S. Cowen, Harry S. Dent, and Henry A. Kissinger, met in the Cabinet Room of the White House from 5:17 pm to 6:21 pm.
  • 483-022 6:22 PM · 20 min — President Richard M. Nixon, Henry A. Kissinger, and H. R. ("Bob") Haldeman met in the Oval Office of the White House from 6:22 pm to 6:44 pm.
  • 002-015 6:44 PM · 3 sec — President Richard M. Nixon and the White House operator talked on the telephone at an unknown time between 6:44 pm and 7:30 pm.

Conversation 483-023, April 20, 1971. White House Tapes, Richard Nixon Presidential Library and Museum, National Archives. Audio and AI transcript via Easy Nixon, https://www.easynixon.org/tapes/483-023 (accessed September 18, 2026).