Google News Archive Search

Google has launched a News Archive Search that offers
online access to an historical archive of news stories (some free,
some for a fee). According to Google News, the features
of the service include: search diverse sources from one place;
browse timelines of events and stories related to specific queries;
identify key time periods relevant to persons/events/ideas;
discover a variety of viewpoints across time.

Sources include major English-language newspapers and
magazines, including some international sources.
For more information about the service and how to
search it, see the Google News Archive Search Help page.