CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins80% CONFIDENCEOverall confidence: 80%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
Offshore Energy[3] and Dredging Today both report the Cristóbal Colón was launched at the La Naval shipyard in Sestao on 4 July 2008.Jan De Nul's Cristóbal Colón, a 223-metre dredger with a 46,000 cubic metre hopper, was launched at the La Naval shipyard in Sestao, Spain on 4 July 2008, becoming the largest trailing suction hopper dredger ever built.
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