Historical clue formulations

• Responded to a cattle call — 2022-07-15
• Sang part of "Old MacDonald" — 2021-06-25
• Participated in a stock exchange? — 2021-03-02
• Made a cattle call — 2018-03-14
• Made field calls? — 2017-08-03
• Sounded like a cow — 2016-04-11
• Called to a calf, say — 2015-06-23
• Talked bull? — 2015-02-14
• Was bossy? — 2014-11-07
• Made a cow call — 2013-09-16
• Called on a farm — 2012-07-12
• Made low noises? — 2009-11-18
• Mimicked some farm animals — 2008-12-10
• Lowed — 2008-12-03
• Made farm sounds — 2007-06-21
• Called across the field — 2005-12-04
• Responded to a cattle call — 2004-07-18
• Made farm sounds — 2003-03-02
• Hit a low note? — 1999-10-06
• Hit a low note? — 1999-02-19
• Was bossy? — 1998-01-11