Confederate_Rocket《南军火箭》

During the American Civil War, the Confederacy built and launched a two-stage rocket 120 miles (190 km) from Richmond, Virginia to Washington D.C.

Busted

While the MythBusters were able to construct and launch a hybrid rocket in under two days using only properties available to Civil War-era engineers, the rocket was not two-stage (as per the myth), and only travelled an estimated 500 yards (460 m). Adam and Jamie agreed that the myth would be impossible with the technology available during the Civil War.