Historical clue formulations

• Abu ___ — 2024-12-09
• Abu ___ — 2019-11-02
• Abu ___ (Mideast land) — 2017-03-20
• Abu ___ — 2016-06-05
• Abu ___, oil emirate — 2006-04-18
• See 33-Across — 2004-08-11
• Abu ___ — 2001-08-05
• Abu ___ — 2001-03-03
• Abu ___ — 2000-04-13