Historical clue formulations

• Daffy Duck, for one — 2025-06-29
• Male duck — 2024-07-17
• Rapper Aubrey Graham, who's known professionally by his middle name — 2023-09-30
• Male mallard — 2021-07-25
• Spotify's most-streamed artist of the 2010s — 2020-04-25
• Male duck — 2018-10-16
• Rapper with the double-platinum album "If You're Reading This It's Too Late" — 2018-09-21
• University in Des Moines — 2018-09-02
• Male duck — 2017-07-16
• One-named rap star — 2017-05-29
• Rapper with the 4x platinum album "Views" — 2017-05-14
• Male duck — 2017-02-09
• "Take Care" rapper, 2012 — 2016-05-25
• Male duck — 2014-10-17
• Rapper with the 3x platinum single "Hold On, We're Going Home" — 2014-07-30
• Golden Hind captain — 2009-04-19
• Explorer Francis — 2008-11-16
• Explorer Sir Francis — 2007-03-19
• Donald Duck, e.g. — 2006-05-28
• Sir Francis who circumnavigated the globe — 2006-05-02
• Famed Chicago hotel — 2005-09-25
• Golden Hind captain — 2004-01-21
• He claimed the coast of California for Queen Elizabeth — 2003-07-05
• Explorer Sir Francis — 2002-06-10
• Golden Hind captain — 2002-04-21
• Des Moines university — 2001-10-24
• Golden Hind captain — 2001-05-10
• Sitting duck, maybe — 2000-03-24
• Circumnavigator Sir Francis — 1997-08-25