References 365% CONFIDENCEOverall confidence: 65%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidence

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

• [1]90%
  Sycamore Den: published venue information and specials

  sycamoreden.com· Posted Oct 29, 2026· Starts Dec 31, 2013 ✓· 33% of score

  The cited source supports the branch opening year; the final day of that year is an estimated timeline anchor, not a verified opening day.

• [2]90%
  About Sycamore Den — Cocktail & Whiskey Bar in Normal Heights

  sycamoreden.com· Added Oct 29, 2026· 33% of score

  The cited source supports the branch opening year; the final day of that year is an estimated timeline anchor, not a verified opening day. Source excerpt: “A neighborhood hideaway since 2013.”^[1]

• [3]90%
  Sycamore Den: published venue information and specials

  sycamoreden.com· Added Oct 29, 2026· 33% of score

  Preserved branch-specific specials research, checked 2026-10-11.^[1]

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