A visual chronology of major data-system breakthroughs from the 1960s through 2026, covering key people, papers, software systems, companies, and the concrete problems each breakthrough solved.
- 83 milestones across 5 historical eras and 25 technical categories
- 33 milestones open the paper's distilled study guide in Data System Papers — Distilled instead of the raw PDF — those references lead each milestone's list and carry a book icon; the distilled page links the source PDF itself
- Full-text search and category/era filtering
- English and Traditional Chinese versions (
/zh/) with a navbar language selector — the URL decides the language and nothing redirects on load, so a shared link always opens in the language it points at. Switching also records the choice under thedss_langlocalStorage key that the main site reads. - Responsive design with collapsible filters on mobile
- Single-file HTML — no build step, no dependencies
Live at https://datasystem.school/data-system-timeline
中文版：https://datasystem.school/data-system-timeline/zh/index.html