Historical clue formulations

• Binary question type — 2026-06-28
• Unambiguous question type — 2025-12-27
• Like 20 Questions questions — 2025-10-27
• Kind of question that's binary — 2025-07-03
• Like the questions asked in Guess Who? — 2025-04-15
• Kind of question — 2024-10-13
• Like the questions asked in 20 Questions — 2024-08-12
• Like some dichotomous questions — 2024-07-05
• Kind of question — 2024-04-13
• Kind of question — 2023-11-19
• Like questions in 20 Questions — 2023-05-15
• Like some questions — 2022-05-08
• Kind of question — 2021-06-20
• Like binary questions — 2021-01-24
• Like some binary questions — 2020-07-07
• Like a question for which "maybe" is not an option — 2020-04-19
• Binary, as some questions — 2020-03-29
• Kind of question you have a 50% chance of guessing correctly — 2020-03-16
• Binary response option — 2019-10-19
• Like some straightforward questions — 2019-07-15
• Like some questions — 2019-05-09
• Like the questions in 20 Questions — 2018-04-08
• Simple, as a question — 2017-08-20
• Kind of question — 2017-07-16
• Answerable with a head nod or shake — 2016-09-27
• Kind of question — 2015-02-15
• Choice words? — 2014-10-03
• Kind of question with only two answers — 2014-09-22
• Kind of question — 2013-10-20
• Binary, in a way — 2012-12-01
• Kind of question — 2012-04-10
• Simple kind of question — 2012-03-05
• ___ question — 2012-03-02
• Kind of question — 2012-01-19
• Kind of question on a survey — 2011-09-14
• Like some questions — 2010-08-23
• Kind of question — 2010-06-23
• Phrased for a quick answer — 2010-04-11
• Answerable with a nod or a shake — 2010-02-19
• Kind of question — 2008-03-30
• Having no gray area — 2007-05-12
• Kind of question — 2007-03-29
• Kind of question — 2006-08-17
• Kind of question — 2006-05-07
• Kind of question — 2005-09-08
• Kind of question — 2003-12-04
• Kind of question — 2002-02-26
• Kind of question — 2002-02-11
• Like some questions — 2001-02-09
• Kind of question — 1999-06-09