Historical clue formulations

• Go into seclusion — 2018-10-13
• Go into hiding — 2014-07-22
• Hide — 2013-02-08
• Lie low — 2008-05-23
• Hide out — 2005-01-02
• Stay out of sight — 2003-12-06
• Stay out of sight — 2000-03-18
• Hide — 1996-07-13