ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins65% CONFIDENCEOverall confidence: 65%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 from 50% to 74% confidence
Estimated: only the year is sourced. Niigata's tourism site and Hugkum (8 Oct 2023) date the birth and launch to 1924, matching Naniwaya's 100th-anniversary facility opened 1 Oct 2024; Japanese Wikipedia[2] and a 2019 blog give 1925. 1924 is used with no month or day.Naniwaya Seika began selling kaki no tane, the crescent-shaped soy-sauce arare, in 1924 (Japanese Wikipedia says 1925) after a crushed mould gave the cracker its persimmon-seed shape.
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