A fact from Geometric Exercises in Paper Folding appeared on Wikipedia's Main Page in the Did you know column on 10 May 2020 (check views). The text of the entry was as follows:
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The following is an archived discussion of the DYK nomination of the article below. Please do not modify this page. Subsequent comments should be made on the appropriate discussion page (such as this nomination's talk page, the article's talk page or Wikipedia talk:Did you know), unless there is consensus to re-open the discussion at this page. No further edits should be made to this page.
The result was: promoted by Cwmhiraeth (talk) 06:01, 6 May 2020 (UTC)[reply]
Overall: Finally a math-related hook I can understand! Intriguing hook and everything else checks out. Gatoclass (talk) 21:34, 17 April 2020 (UTC)[reply]
This article could be illustrated both with the book's title page and, since it's out of copyright, by one or more of the book's inline figures (say, pages 9 and 17 of the Madras edition). Chiswick Chap (talk) 13:41, 10 May 2020 (UTC)[reply]