CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins86% CONFIDENCEOverall confidence: 86%How well the pin's source and references back up its dates.Weighted average of how firmly 5 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
Stated as firm, per Sail Boston[1][3][4]: "Meet Boston[2] Parade of Sail Saturday, July 11, 2026 - 9:00 AM - 4:00 PM" (EDT, 13:00-20:00 UTC).Some 60 tall ships from more than 20 countries, led by USS Constitution, paraded into Boston Harbor for America's 250th, opening five days of free ship tours and fireworks.
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