Historical clue formulations

• 1986 Elton John love song — 2019-01-31
• Soviet premier Khrushchev — 2016-12-26
• Premier Khrushchev — 2014-12-24
• CW series based on a French film — 2013-02-15
• Premier Khrushchev — 2006-10-24
• Soviet leader Khrushchev — 2006-05-30
• Mr. Khrushchev — 2000-09-19
• Premier Khrushchev — 1999-05-17
• Leonid predecessor — 1995-05-25