Historical clue formulations

• Mark, as an option on a questionnaire — 2025-12-31
• Mark, as a ballot — 2020-11-30
• Choose, as a questionnaire box — 2017-07-13
• Mark, as a survey square — 2014-08-29
• Mark, as a ballot square — 2013-06-20
• Mark, as a ballot — 2013-06-11
• Check alternative? — 2012-09-05
• Mark, as a ballot — 2011-08-16
• Mark, as a ballot — 2008-11-25
• Mark, as a ballot square — 2007-11-20