A fact from 1855 Edo earthquake appeared on Wikipedia's Main Page in the Did you know column on 7 November 2010 (check views). The text of the entry was as follows:
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Currently rated C-class. There is one paragraph in the article that's been tagged; a citation is needed there. Once that's done, it should be a B-class. Boneyard90 (talk) 18:24, 6 January 2011 (UTC)[reply]