Historical clue formulations

• Wyatt and Virgil of the Wild West — 2023-02-21
• Three fighters at the O.K. Corral — 2022-06-16
• Some O.K. fighters — 2021-07-31
• Wyatt, Morgan and Virgil of the Wild West — 2020-08-30
• Wyatt and Warren of the Old West — 2020-02-19
• Wyatt and Virgil of the Wild West — 2011-12-06
• Brothers of the Wild West — 2010-12-02
• Legendary brothers in law — 2008-03-22
• Famous family of Western lawmen — 2006-11-06
• Tombstone brothers — 2006-05-28
• Noted Tombstone family, once — 2005-03-14
• Tombstone brothers — 1997-12-31
• Tombstone brothers — 1994-12-17