Historical clue formulations

• Govt. watchdog until 1996 — 2018-11-28
• Old transportation agcy. — 2018-06-21
• Old RR watchdog — 2017-04-28
• Former railroad regulatory agcy. — 2013-05-26
• Org. meting out justice at The Hague — 2013-04-25
• 1887-1996 govt. watchdog — 2012-03-11
• Former transportation regulation agcy. — 2010-02-13
• Former federal regulatory grp. — 2006-07-04
• Transportation regulator of old: Abbr. — 2004-02-20
• Watchdog agcy. beginning 1887 — 2003-02-12
• Govt. org., 1887-1996 — 1997-07-04
• Trucking indus. overseer — 1996-07-07
• Truckers' watchdog — 1994-02-03