Historical clue formulations

• ___-Coeur, historic Catholic church in Paris — 2025-03-29
• ___-Coeur (Paris basilica) — 2024-04-27
• "___ bleu!" — 2023-02-07
• "___ bleu!" — 2022-12-04
• ___-Coeur (Paris basilica) — 2021-04-28
• Stravinsky's "Le ___ du Printemps" — 2021-03-26
• "___ bleu!" — 2018-12-09
• Paris's ___-Coeur — 2015-07-26
• ___-Coeur (Paris basilica) — 2013-12-22
• Stravinsky's "Le ___ du Printemps" — 2012-12-21
• "___ bleu!" — 2011-11-23
• "___ bleu!" — 2010-12-06
• "___ bleu!" — 2008-11-20
• Paris's ___-Coeur Basilica — 2008-02-13
• "___ bleu!" — 2006-12-26
• "___ bleu!" — 2003-06-12
• Start of a French oath — 2002-10-06
• Part of a French oath — 2001-10-13
• Start of an oath — 2001-09-16
• ___ bleu — 2001-05-13
• ___ Coeur (Paris cathedral) — 2001-05-06
• "___ bleu!" — 2000-08-24
• Start of an oath — 1999-10-09
• Stravinsky's "Le ___ du printemps" — 1997-03-04