The Ethereum hard fork was in 2016 after the hack of a project called just "DAO" [1]. No other on-chain event since then, including the recent BadgerDAO hack,

The Ethereum hard fork was in 2016 after the hack of a project called just "DAO" [1]. No other on-chain event since then, including the recent BadgerDAO hack, motivated a hard fork. Vitalk's article is quite precise about these subtleties, concluding that crypto is generally vetocracy at the lower level and bulldozer-y higher in the stack. [1]: https://en.m.wikipedia.org/wiki/The_DAO_(organization) https://en.m.wikipedia.org/wiki/The_DAO_(organization)