Historical clue formulations

• It's for naught in noughts-and-crosses — 2019-08-21
• Tic-tac-toe failure — 2015-11-29
• Losing tic-tac-toe row — 2015-07-21
• Losing tic-tac-toe row — 2015-05-19
• Noughts-and-crosses loser — 2014-01-05
• Losing tic-tac-toe row — 2011-02-13
• Tic-tac-toe loser — 2009-10-30
• Near miss in tic-tac-toe — 1994-09-25