ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins65% 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
Happened as dated, per the source[1]: "constructed between 2010 and 2021 and officially opened in 2022."Chengdu opened Phoenix Hill Sports Park, a stadium-and-arena complex built for international sporting events, after more than a decade of construction.
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