Historical clue formulations

• "Star Wars" name — 2018-06-03
• See 30-Across — 2017-03-19
• Darth ___ of "Star Wars" — 2015-03-17
• "Star Wars" villain name — 2014-04-11
• See 53-Down — 2012-05-23
• Darth ___ of "Star Wars" — 2005-07-18
• "Star Wars" name — 2002-02-10
• Skywalker foe — 1997-12-19
• "Star Wars" villain — 1994-04-06