Historical clue formulations

• Pain ___ (French toast, in French) — 2024-09-07
• Out of sight — 2013-12-13
• Proust's "Ë la Recherche du Temps ___" — 2013-02-10
• Concealed — 2005-01-19
• Lost in France — 2003-09-09
• Concealed — 2002-06-02
• Concealed — 1999-06-26
• Hidden — 1997-11-11
• Lost in Lille — 1995-02-02
• Proust's "A la Recherche du Temps _____" — 1994-04-08