CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins84% CONFIDENCEOverall confidence: 84%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
Dutch Water Sector's[2] report on Maasvlakte 2 states the extension was officially opened for shipping on 22 May 2013.Rotterdam's man-made Maasvlakte 2 extension, built to keep Europe's largest port ahead of rising container traffic, officially opened for shipping on 22 May 2013.
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