On this day in History - August 19th

1964 – Syncom 3, the first geostationary communication satellite, is launched. Two months later, it would enable live coverage of the 1964 Summer Olympics.

2004 – Google Inc. has its initial public offering on Nasdaq.

2017 – Tens of thousands of farmed non-native Atlantic salmon are accidentally released into the wild in Washington waters in the 2017 Cypress Island Atlantic salmon pen break.