Historical clue formulations

• Govt. cultural org. until 1999 — 2017-03-19
• "Public diplomacy" broadcast org. until 1999 — 2011-01-18
• Former Voice of America org. — 2009-04-01
• Former Voice of America org. — 2008-08-17
• Old Voice of America org. — 2007-11-14
• Old "public diplomacy" org. — 2006-07-23
• Voice of America grp. — 2006-03-27
• Govt. cultural org. — 2003-03-31
• Voice of America org. — 2001-04-25
• Govt. publicity grp. — 1996-03-31
• Agcy. once headed by Edward R. Murrow — 1994-11-13