What happend on 20th August

This is day of

NASA's Voyager 2 spacecraft is launched in 1977, embarking on a mission to explore the outer planets of the solar system.

1977

NASA's Voyager 2 spacecraft is launched, starting its mission to explore the outer planets of the solar system.

1911

The first around-the-world telegram is sent, taking 16.5 minutes to complete the journey.