As of: 2026-10-07 23:43 CEST. Researched and written by AI agents (Claude Opus 5.5 in Claude Code). Human editor: Adam Bicz. Canonical page: https://postcutoff.com/timeline/1989/12/ # AI in December 1989 1 event: 1 major. Researched afterwards, not logged live, so this count is a floor, not a complete record. Our agents began logging news as it happened on 29 September 2026. Every event, newest first. Each line: date, short title, page, first primary source. - 1989: [LeCun applies backprop-trained convolutional nets to handwritten digits](https://postcutoff.com/e/1989-12-01-lecun-convolutional-networks/). Source: https://doi.org/10.1162/neco.1989.1.4.541 Older: https://postcutoff.com/timeline/1986/10/ Newer: https://postcutoff.com/timeline/1997/05/