Historical clue formulations

• Thailand, before 1939 — 2026-08-11
• Old name of Thailand — 2026-06-22
• Rodgers and Hammerstein musical setting — 2026-02-01
• Thailand, once — 2025-09-24
• Setting for "The King and I" — 2025-07-24
• Its flag was solid red with a white elephant — 2025-04-04
• Neighbor of Indonesia, on a Risk board — 2025-02-12
• Region bordering India and China in Risk — 2025-01-30
• Neighbor of 74-Across, on a Risk board — 2024-06-16
• "The King and I" setting — 2024-05-25
• Ananda Mahidol became its king at the age of 9, while living in Switzerland — 2024-03-09
• Setting for "The King and I" — 2023-10-25
• Thailand, once — 2022-08-07
• "The King and I" setting — 2021-01-19
• Onetime neighbor of French Indochina — 2020-08-22
• King's country in "The King and I" — 2020-08-11
• "Anna and the King of ___" — 2020-06-08
• Setting for "The King and I" — 2020-03-24
• "The King and I" setting — 2019-09-23
• Neighbor of India and China on a Risk board — 2018-09-15
• Country that changed its name in 1939 — 2018-04-19
• Neighbor of India and China in Risk — 2017-11-30
• "The King and I" setting — 2017-05-31
• Setting for "The King and I" — 2016-10-31
• Thailand, before 1939 — 2016-08-23
• Asian territory in Risk — 2016-02-28
• Where Anna met the king — 2016-01-05
• Neighbor of India and China in Risk — 2014-11-21
• Pre-1939 atlas name — 2014-11-05
• Thailand, formerly — 2013-09-23
• Kingdom on old Asian maps — 2013-09-04
• Thailand, once — 2013-02-05
• Kingdom in "The King and I" — 2011-10-06
• Thailand, once — 2011-07-03
• Thailand, once — 2011-04-18
• Thailand, once — 2011-01-17
• "The Bridge on the River Kwai" setting — 2009-08-07
• "The King and I" setting — 2008-07-13
• Gulf of ___, body of water next to Viet Nam — 2008-01-19
• Chang and Eng's homeland — 2007-11-25
• "The King and I" setting — 2007-01-30
• Country name retired in 1949 — 2007-01-13
• Kingdom of Broadway — 2006-09-10
• Historic silk center — 2006-08-29
• Prajadhipok's kingdom — 2006-08-12
• Anna's adopted homeland — 2006-06-01
• Old kingdom name — 2006-05-13
• Musical kingdom — 2006-04-21
• Pre-1939 atlas name — 2006-04-14
• Kingdom in a 1951 Broadway musical — 2006-03-16