Historical clue formulations

• Kyiv's country: Abbr. — 2026-06-28
• Europe's second-largest country in area, after Russia: Abbr. — 2020-06-14
• Former part of the U.S.S.R.: Abbr. — 2018-03-11
• 2014 revolution site: Abbr. — 2015-10-03
• Chernobyl's locale: Abbr. — 2015-02-05
• Kiev's land: Abbr. — 2014-10-15
• It borders the Black Sea: Abbr. — 2013-04-09
• Kiev's land: Abbr. — 2012-08-20
• Land on the Sea of Azov: Abbr. — 2011-07-24
• U.S.S.R. member: Abbr. — 2010-02-21
• Kiev's land: Abbr. — 2008-07-29
• Neighbor of Russ. — 1999-04-18
• Former U.S.S.R. member — 1998-11-13
• Where Kiev is: Abbr. — 1996-05-02