Historical clue formulations

• 2024 NATO inductee — 2025-01-10
• Nation with a four-century "Viking Age" — 2024-02-15
• Third-largest country in the European Union, after France and Spain — 2022-06-28
• Its flag has a yellow 61-Across — 2021-12-14
• Land between Norway and Finland — 2021-09-20
• The Ikea logo shares the colors of its flag — 2021-09-05
• Powerhouse in international men's ice hockey — 2021-07-04
• 1912 Olympics locale — 2019-03-08
• First country to legalize changing one's gender identity (1972) — 2018-10-21
• Home of Pippi Longstocking — 2014-10-21
• "The Girl With the Dragon Tattoo" setting — 2012-09-05
• Winter Olympics powerhouse — 2010-12-26
• Volvo's home — 2008-02-26
• It touches the Gulf of Bothnia — 2005-10-19
• Alfred Nobel's birthplace — 2004-05-09
• Country almost 1,000 miles long — 2002-06-16
• Part of the Northland peninsula — 2000-07-09
• Nobel's birthplace — 2000-01-08
• It had the earliest parliament on the European continent — 1999-11-14
• Abba's home country — 1999-03-02
• Its flag has a yellow cross on a blue background — 1999-01-08
• "I'll Take ___" (Bob Hope film) — 1998-05-10