When did we break the speed of sound?
No context provided
When did the first creature break the speed of sound?
a dinosaur's tail 150 million years ago
No context provided
When did humans first break the speed of sound in an aircraft?
Oct. 14, 1947
Sound barrier
https://en.wikipedia.org/wiki/Sound%20barrier
The first creature to have ever breached the sound barrier was a dinosaur's tail 150 million years ago. Humans first broke the speed of sound on Oct. 14, 1947, in an aircraft.