In 1927 – The first fully electronic television system is demonstrated by Philo Taylor Farnsworth in San Francisco.
In 1979 – The Entertainment and Sports Programming Network, ESPN, makes its debut. It will become one of the main drivers of cable TV adoption and one of the main factors in the switch to Internet television.
In 1981 – The first large parallel processing computer, ILLIAC IV, ends its nearly decade-long life at the University of Illinois.