Historical clue formulations

• ___ the Great, founder of the first Persian empire — 2023-05-20
• Montana player — 2023-04-07
• Miley who played Hannah Montana — 2020-08-10
• Persian Empire founder — 2016-06-05
• Billy Ray or Miley — 2014-08-26
• Miley of "Hannah Montana" — 2013-02-04
• Founder of the Persian Empire — 2011-12-05
• "Hannah Montana" star Miley — 2011-06-06
• "Hannah Montana" star Miley — 2010-08-09
• Secretary of State Vance — 2005-04-25
• Persian Empire founder — 2001-04-05
• Inventor McCormick — 1997-06-06
• Singer Billy Ray — 1997-06-01