Historical clue formulations

• Watergate hearings chair Sam — 2019-01-01
• Sam of Watergate hearings — 2018-07-01
• Senator of Watergate fame — 2012-11-24
• Watergate hearings chairman Sam — 2008-04-01
• Senator of Watergate fame — 2006-04-28
• Senator Sam of Watergate fame — 2005-04-07
• Sen. Sam of Watergate fame — 2003-04-30
• Sam of the Watergate hearings — 2002-06-08
• Senator Sam of the Watergate hearings — 2001-12-05
• Senator of Watergate fame — 1998-10-18
• North Carolina politician Sam — 1996-07-14
• Watergate Senator Sam — 1995-07-23
• Watergate Senator Sam — 1995-02-20
• See 93-Down — 1994-03-27