Historical clue formulations

• Is ___ (probably will) — 2022-05-29
• Probably gonna, more formally — 2020-09-22
• Probably gonna, more formally — 2016-04-09
• Is ___ (probably will) — 2015-04-27
• "I shall not find myself so ___ die": Antony — 2013-09-07
• Probably will, after "is" — 2011-11-29
• Probably will, after "is" — 2008-08-02
• Is ___ (probably will) — 2005-04-25
• Is ___ (probably will) — 2001-04-18