Historical clue formulations

• Japanese dog — 2026-04-13
• Japanese dog breed — 2024-07-14
• Japanese dog breed — 2024-05-07
• Asian dog breed — 2024-02-22
• Dog breed designated a "natural monument" by the Japanese government — 2023-10-02
• Curly-tailed Japanese dog — 2022-04-11
• Breed featured in 2009's "Hachi: A Dog's Tale" — 2022-02-27
• Japanese dog breed — 2021-11-08
• Japanese city that shares its name with a dog breed — 2021-06-27
• Dog breed named after a region in Japan — 2020-12-10
• Pointy-eared dog — 2019-11-03
• Dog with an upturned tail — 2019-09-12
• Tough watchdog — 2019-06-18
• Japanese dog breed — 2019-02-11
• Very furry, muscular dog — 2018-11-02
• Japanese dog — 2018-10-15
• Dog with a thick double coat — 2018-08-29
• Muscular Japanese dog — 2017-08-02
• Japanese relative of a husky — 2017-05-21
• Muscular Japanese dog — 2016-03-02
• Japanese dog breed — 2014-09-22
• Large Japanese dog — 2014-03-10
• Japanese dog breed — 2013-10-15
• Helen Keller brought the first one to the U.S. — 2013-10-13
• Japanese dog — 2012-05-22
• Dog named after a Japanese prefecture — 2011-03-20
• Dog breed Helen Keller introduced to the U.S. in 1937 — 2010-06-24
• Japanese dog — 2009-06-11
• Japanese dog — 2009-03-23
• Dog with an upturned tail — 2009-02-11
• Muscular watchdog — 2006-09-24
• Japanese dog — 2005-01-31
• Japanese dog — 2004-08-11
• Japanese dog — 2002-03-06
• Japanese dog — 2001-08-05
• Japanese canine — 2001-05-13
• Curly-tailed dog — 2001-04-11
• Dog with a curled-back tail — 2000-07-14
• Dog with a long, curled tail — 1999-12-19
• Japanese dog — 1998-03-10
• Dog from Japan — 1997-03-26