Historical clue formulations

• Home of War in the Pacific National Historical Park — 2026-02-12
• Its official languages are Chamorro and English — 2025-07-12
• Its flag includes a coconut tree and a sailboat — 2025-04-18
• Territory ceded by Spain to the U.S. in 1898 — 2022-05-25
• See 24-Across — 2019-12-21
• Hagatna is its capital — 2018-10-19
• "Where America's Day Begins" — 2017-08-27
• 53rd "state quarter" locale — 2016-08-20
• The Japanese captured it in 1941 — 2016-08-06
• Island near the Mariana Trench — 2015-08-16
• Stop on the first trans-Pacific air route — 2015-05-17
• Where Chamorro is spoken — 2015-05-02
• Pacific island "where America's day begins" — 2014-09-29
• Spanish cession in the Spanish-American War — 2013-12-22
• Japanese capture after Pearl Harbor — 2011-09-03
• U.S. territory in W.W. II fighting — 2011-06-27
• Where America's Day Begins — 2011-06-13
• Island "where America's day begins" — 2010-11-30
• Stop on Magellan's circumnavigation of the world — 2009-10-22
• Home of the War in the Pacific National Historic Park — 2009-02-01
• Acquisition of the U.S. in the Spanish-American War — 2008-03-20
• U.S. possession since 1898 — 2008-01-27
• Where America's Day Begins — 2006-02-20
• U.S. Pacific island — 2004-04-06
• Locale of some U.S. naval forces — 2003-05-30
• Its slogan is "Where America's Day Begins" — 2003-04-21
• Apra Harbor is its main anchorage — 2002-09-06
• Its capital is Hagatña — 2000-12-17
• Trans-Pacific stopping point — 1998-12-20
• Southernmost of the Marianas — 1998-10-08
• Island discovered by Magellan — 1997-10-30
• One of the Marianas — 1997-08-24
• "Where America's Day Begins" — 1997-01-09
• U.S. Pacific territory — 1996-12-16
• The fruit dove is its official bird — 1995-02-18