CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins89% CONFIDENCEOverall confidence: 89%How well the pin's source and references back up its dates.Weighted average of how firmly 4 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]: "Mareterra[2] was officially inaugurated by H.S.H. Prince Albert II of Monaco and the princely family on December 4, 2024."Monaco inaugurated Mareterra, a $2 billion, six-hectare land reclamation district built into the Mediterranean to ease the tiny principality's chronic space crisis.
$2B
1.00
UNESCO
