Google has now integrated over 20 years worth of Usenet discussion into Google Groups. That’s a searchable archive of more than 700 million messages.Try entering keywords for a major world event and restricting the search to a certain year. Here are the [Challenger Disaster](http://makeashorterlink.com/?T5E52483 ”>results [shorter link] for ‘Falklands’ in 1982.<a href=), January 28th 1986.It’s like finding an old newspaper.