Dec 18, 1979 - The sound barrier was broken on land for the first time by Stanley Barrett when he drove at 739.6 mph.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Dec 18, 1979 - The sound barrier was broken on land for the first time by Stanley Barrett when he drove at 739.6 mph.
