RSS History Timeline

19970309: Microsoft submits the CDF format to the W3C. (example)
19970425: Dave Winer: "I've identified three dynamic pages on the DaveNet site, described in a CDF file. Can any software read this file and do something interesting with it?"
19971215: Dave Winer announces scriptingNews format. (example)
19990615: Dave Winer (referring to scriptingNews): "For many people format will be new, but it's actually the oldest syndication format on the web."

RSS introduced (example).