Historical clue formulations

• Honolulu palace name — 2024-06-16
• Hawaii's ___ Palace — 2022-08-13
• Honolulu's historic ___ Palace — 2020-02-05
• Honolulu's historic ___ Palace — 2018-06-10
• Honolulu's ___ Palace — 2018-01-04
• Honolulu's ___ Palace — 2012-09-02
• Honolulu's ___ Palace — 2011-05-11
• With 36-Across, only official residence of a reigning monarch now in the United States — 2009-10-15
• Historic Honolulu palace — 2006-04-02
• The only royal palace in the U.S. — 2005-11-12