Historical clue formulations

• Firebrand — 2013-05-23
• Troublemaker — 2010-10-01
• One stirring the pot — 2009-01-09
• Bolshevik, e.g. — 2002-12-19
• Washing machine part — 2001-08-05
• Troublemaker — 1999-11-02
• Firebrand — 1998-12-26
• Firebrand — 1996-12-19