Historical clue formulations

• Tribe whose flag features a circle of tepees on a red background — 2022-06-26
• Black Hills native — 2013-11-10
• Crazy Horse, e.g. — 2010-11-06
• Crazy Horse, for one — 2006-05-26
• Crazy Horse, for one — 2002-05-04
• Crazy Horse, e.g. — 1999-07-31