In 2016, archaeologists working at the Phaleron Burial Ground, part of the ancient Attica region, uncovered an astonishing sight: three mass graves dating to the 7th and 6th centuries BCE containing the skeletons of 79 adult men. Many were bound together with metal shackles.
Source: [Phys.org](https://phys.org/news/2026-08-shackled-men-year-greek-mass.html)