File Formats & Standards · Recorded milestone

Markdown

Recorded year2004

John Gruber and Aaron Swartz create Markdown, plain text with light symbols for headings and lists, now the house style of wikis, code sites and AI chat.

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Built on

HTML web pagesRecorded · 1991enables
Blogging platformsRecorded · 1999enables

Led to

No connections of this kind are recorded.

Sources & evidence

Additional source

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.