CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins78% CONFIDENCEOverall confidence: 78%How well the pin's source and references back up its dates.Weighted average of how firmly 8 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
Aerotech News[1]: "On April 13, 1966, Boeing announced an order worth $525 million from Pan Am[2] for 25 Model 747 jumbo jets, (that's $21-million each!)".On 13 April 1966 Boeing announced a US$525 million order from Pan American World Airways for 25 Model 747 jumbo jets, the launch order that started the 747 program. The deal committed Boeing to design the world's largest airliner and build a factory to assemble it.
$525M
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