Historical clue formulations

• Cabinet dept. — 2018-10-07
• Cabinet dept. — 2018-07-26
• Cabinet dept. concerned with schools — 2018-04-16
• Common Core dept. — 2017-01-16
• Cabinet dept. — 2016-04-17
• N.E.A. part: Abbr. — 2015-04-16
• Cabinet dept. — 2015-03-21
• P.T.A. interest: Abbr. — 2015-02-11
• Part of E.T.S.: Abbr. — 2014-12-21
• Schooling: Abbr. — 2014-03-31
• P.T.A.'s concern: Abbr. — 2013-01-13
• P.T.A. interest — 2012-02-26
• N.E.A. part: Abbr. — 2011-04-19
• No Child Left Behind dept. — 2011-01-31
• N.E.A. part: Abbr. — 2009-10-08
• Part of H.E.W.: Abbr. — 2008-11-23
• Cabinet dept. — 2008-10-30
• The "E" of N.E.A.: Abbr. — 2008-07-21
• P.T.A. concern: Abbr. — 2007-05-15
• Cabinet dept. — 2006-01-29
• P.T.A. concern: Abbr. — 2005-04-09
• Cabinet dept. since 1979 — 2004-12-14
• Cabinet dept. — 2004-07-25
• Instruction: Abbr. — 2003-08-18
• Cabinet dept. — 2003-07-26
• P.T.A.'s focus: Abbr. — 2003-05-08
• Cabinet dept. — 2002-03-10
• Part of N.E.A.: Abbr. — 2001-09-27
• Part of E.T.S.: Abbr. — 1998-01-15
• Cabinet dept. — 1997-10-11
• Cabinet Dept. — 1996-12-20