About this recording 422-1 President Richard M. Nixon UNKNOWN March 20, 1973 Unknown Richard M. Nixon Conversation No. 422-1 Date: March 20, 1973 Time: Unknown between 7:10 and 7:24 pm Location: Executive Office Building President met with an unknown person. President's schedule The unknown person left before 7:24 pm. Secret White House Tapes | Richard M. Nixon Presidency 422-1 Backward Play Stop Forward Download audio Previous 883–6 Next 886–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 886–1 audio icon 421–1 audio icon 421–10 audio icon 886–10 audio icon 886–11 audio icon 421–11 audio icon 886–12 audio icon 421–12 audio icon 421-013a audio icon 886–13 audio icon