The Wayback Machine suggests it was 13th September 2017: [1] (from 17:50:53 GMT) has graphs, but [2] (from 20:06:33 GMT) is a 302 redirect to the messages page.

The Wayback Machine suggests it was 13th September 2017: [1] (from 17:50:53 GMT) has graphs, but [2] (from 20:06:33 GMT) is a 302 redirect to the messages page. [1]: https://web.archive.org/web/20170913175053/https://status.github.com/ https://web.archive.org/web/20170913175053/https://status.gi... [2]: https://web.archive.org/web/20170913200633/https://status.github.com/ https://web.archive.org/web/20170913200633/https://status.gi...