Historical clue formulations

• Midtown Manhattan hot spot … or each of this puzzle's three shaded regions? — 2024-09-01
• Where to see the 86-Down — 2023-12-31
• Facebook Status: "10-9-8-7 ... Ringing in the New Year with 1,000,000 of my newest, closest friends!" — 2017-10-22
• New Year's Eve hot spot — 2014-01-08
• *Scene of an annual ball-dropping — 2011-12-07
• See 13-Down — 2006-12-31