Historical clue formulations

• "___ Dinka Doo" (theme song of Jimmy Durante) — 2019-01-20
• "___ Dinka Doo" (theme song of Jimmy Durante) — 2017-07-01
• "___ Dinka Doo" (Durante tune) — 2014-11-20
• "___ Dinka Doo" — 2013-02-20
• 1934 hit "___ Dinka Doo" — 2001-08-05
• Start of a Jimmy Durante song — 2000-02-20
• Durante's "___ Dinka Doo" — 1996-12-12
• Durante's "___ Dinka Doo" — 1996-10-28
• Start of a Durante title — 1994-02-19
• "_____ Dinka Doo" — 1994-01-20