Historical clue formulations

• Scrabble 4-pointer — 2018-11-21
• Start to fail? — 2016-08-07
• Gee preceder — 2013-01-16
• Letter before gee — 2009-08-11
• With 61-Down, 14th president's inits. — 2006-12-16
• Grade below dee — 2006-04-17
• Worst grade — 2005-12-11
• It's heard before "gee" — 2003-09-13
• Gee preceder — 1999-11-29