CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins77% CONFIDENCEOverall confidence: 77%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
Happened as dated, per the source[1]: "In December 2022, the Tokyo Metropolitan Government unveiled the Tokyo Resilience Project."Tokyo's Metropolitan Government unveiled an 18-year, ¥17 trillion ($109BN) Resilience Project to fortify the city of 40 million against earthquakes, typhoons, tsunamis and volcanic activity.
$109B
1.00