Historical clue formulations

• Asian peninsula: Abbr. — 2023-06-28
• It's divided by the 38th parallel: Abbr. — 2019-06-05
• Divided land: Abbr. — 2018-08-24
• Where Seoul and Pyongyang are: Abbr. — 2018-04-09
• Two-nation peninsula: Abbr. — 2017-07-06
• Seoul's home: Abbr. — 2012-04-09
• It was split in 1948: Abbr. — 2010-01-16
• Asian peninsula: Abbr. — 2004-05-09