CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins93% CONFIDENCEOverall confidence: 93%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 at 75% confidence or better
Development announcement: the source[1] specifies this exact day. This is not an opening date.Google’s April 30, 2026 update explicitly confirms its Stillwater campus is under construction, superseding the August 2025 development announcement. A verified opening date is not established.
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