Historical clue formulations

• World peace grp. — 2025-03-01
• World Heritage Site grp. — 2023-02-14
• Grp. promoting world peace — 2023-01-15
• World Heritage Site grp. — 2018-08-09
• Global supporter of the arts — 2016-04-10
• Intl. peace and human rights grp. — 2012-10-17
• Intl. humanities group — 2011-10-09
• Intl. grp. for which 47-Across was named an ambassador — 2007-02-20
• Noted Paris-based org. — 2005-04-02
• Intl. cultural org. — 2002-03-18
• It has Goodwill Ambassadors — 2001-11-09
• Paris-based org. — 2001-10-03
• Paris-based grp. since 1946 — 2000-07-29
• Intl. humanities agcy. — 1996-03-31
• Intl. assn. for learning — 1995-11-13
• International org. — 1995-02-20
• World cultural agcy. — 1994-03-14
• World group based in Paris — 1994-01-15