Historical clue formulations

• Antelopes with twisty horns — 2022-10-09
• African antelopes — 2017-09-19
• Savanna grazers — 2012-12-24
• Safari antelopes — 2011-07-27
• Curvy-horned animals — 2009-11-15
• African antelopes — 2005-02-08
• Herd in Africa — 2004-07-22
• Animals with twisted horns — 2001-12-16
• African herd animals — 2001-07-22
• Veldt sights — 1998-05-10
• Twisty-horned animals — 1997-03-06
• African antelopes — 1997-03-03