Historical clue formulations

• Caravan animals — 2019-02-20
• Dry mounts? — 2013-04-12
• "___ are milder" (old ad slogan) — 2003-12-20
• Desert ruminants — 2003-01-21
• "Ishtar" sights — 2002-03-08
• "Ishtar" extras — 2000-09-09
• Popular packs — 1999-02-14
• Alternative to Marlboros — 1996-10-30