Hypatia (stone)
https://en.m.wikipedia.org/wiki/Hypatia_(stone)
The link got broken; looks like the parentheses are recognized as reserve characters. Substituting the “percent codes” in the URL usually fixes that.
https://en.wikipedia.org/wiki/Hypatia_%28stone%29
https://www.w3schools.com/tags/ref_urlencode.asp