Historical clue formulations

• Like soy milk — 2020-08-13
• One unlikely to order ham and eggs — 2018-04-25
• Eschewing both meat and dairy — 2013-12-23
• Many an animal rights activist — 2013-08-02
• Lacking meat, eggs, dairy, etc. — 2010-04-13
• One on a strict diet — 2009-03-28
• Steakhouse shunner — 2008-04-06
• Unlikely steakhouse patron — 2007-03-22
• One with a strict diet — 2006-06-18
• Meat avoider — 1998-12-19
• Non-meat-eater — 1998-09-17