Historical clue formulations

• Alien leader? — 2026-06-14
• Prefix with phobia — 2018-04-25
• Foreign: Prefix — 2016-11-06
• Alien: Prefix — 2016-09-27
• Alien: Prefix — 2016-07-11
• Prefix with phobia — 2015-04-11
• Start of a phobia? — 2013-08-24
• Strange beginning? — 2011-05-07
• Alien: Prefix — 2010-12-15
• Prefix with phobia — 2010-06-04
• Prefix with phobia — 2008-04-17
• Strange: Prefix — 2006-09-24
• Prefix with phobia — 2006-03-23
• Prefix with phobia — 2004-01-04
• Prefix with phobia — 2002-04-14
• Prefix with phobia — 2000-04-16
• Prefix with -lith or -phobia — 1999-08-27
• Prefix with phobia — 1999-07-28
• Prefix with phobia — 1997-08-09
• Alien prefix — 1995-10-12
• Strange: Prefix — 1995-07-05
• Foreign start — 1994-10-20