Historical clue formulations

• Burden — 2021-08-28
• Prepare to ride, with "up" — 2021-04-10
• Equestrian's seat — 2019-03-11
• Get ready to ride, with "up" — 2013-01-13
• One way to ride a horse — 2011-12-15
• Get ready to ride, with "up" — 2008-06-25
• Sit on it — 2004-10-13
• Bridle's partner — 2004-05-11
• Order to a cowboy, with "up" — 2002-02-22
• Rider's seat — 2001-09-25
• Word before shoe or soap — 2000-07-24
• Moving seat — 1995-10-25