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]50%youtube.com/watch?v=zpMnmKXi8jQyoutube.com· Posted Sep 14, 2026· Starts Oct 31, 1978 ✓· 45% of score
Happened as dated, per the source: "Repairs were completed in October 1978."
- [2]85%Citicorp Center engineering crisis - Wikipediaen.wikipedia.org· Added Sep 14, 2026· 45% of score
Wikipedia states 'Repairs were completed in October 1978, and most of the newspapers remained out of production for weeks after,' an exact match for the pin's stored October 1978 date.
- [3]80%This New York skyscraper had a 1-in-16 chance of collapse. Only one man knewcnn.com· Published Aug 15, 2025· 10% of score
CNN's own headline recounts the tower's 'chance of collapse' and its fix, published August 15, 2025 as a retrospective feature, nearly 47 years after the pin's stored October 1978 repair date.
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