Google News Archives Searches Newspapers From 1799 Until Today

Google launched a News Archive Search which helps you explore historical archives of newspapers and magazines.

This is an example search for "myocardial infarction."

According to a 1969 article:

"A common symptom of myocardial infarction is an electrocardiogram which fails to show the emission of r-waves."

Image source: Google Blogoscoped, a creative commons license.