Historical clue formulations

• City across the Nile from the Valley of the Kings — 2017-06-13
• Pyramid-shaped hotel in Vegas — 2012-09-03
• Egypt's Temple of ___ — 2010-06-03
• Locale of Theban ruins — 2009-02-28
• Modern site of ancient Thebes — 2006-10-06
• City built on ancient Thebes — 2003-09-13
• Egypt's Temple of ___ — 1997-05-14