A solemn anniversary, 50 years ago, President John F. Kennedy was assassinated on Nov. 22, 1963, millions of Americans were alerted to the tragedy by watching Walter Cronkite's broadcasts on CBS News. 

Tomorrow, on the 50th anniversary of the assassination, CBS News will be streaming the original news broadcasts minute-by-minute in real time, just as the broadcasts were originally delivered, this time on CBSNews.com.

The special four-day broadcast anniversary online stream will begin at 1:40 PM ET on Friday, Nov. 22, 2013 with the first breaking network television news bulletin alerting viewers shots had been fired in Dallas.