Historical clue formulations

• Maintainer of law and order north of the U.S. — 2017-12-06
• North-of-the-border force: Abbr. — 2017-11-01
• Force in red uniforms: Abbr. — 2013-10-05
• Forces on horses: Abbr. — 2011-01-02
• Its uniform includes a red serge tunic and a Stetson: Abbr. — 2010-09-03
• Dudley Do-Right's org. — 2010-05-04
• Dudley Do-Right's org. — 2008-09-02
• Law grp. — 2001-03-10
• Dudley Do-Right's org. — 2000-06-20
• Renfrew's org., in old radio — 2000-06-17
• Noted law enforcement grp. — 1999-07-10
• Dudley Do-Right's org. — 1998-05-10
• Forces on horses: Abbr. — 1996-10-24
• Mounties: Abbr. — 1994-09-05