Historical clue formulations

• ___ giraffe, tallest land mammal on earth — 2023-08-05
• East African native — 2019-06-13
• Native Kenyans — 2015-11-23
• People of Kenya — 2015-01-11
• Seminomadic Kenyan — 2014-04-09
• Kenyan tribesman — 2011-08-09
• Tribesman of Kenya or Tanzania — 2010-06-02
• Pastoral warrior of Kenya — 2006-11-24
• Kenyan tribe — 2004-12-29
• Kenyan tribesman — 2004-11-25
• Kenyan tribesman — 2004-10-07
• Kenyan native — 1995-06-11