BoundaryStones: Secret code systems have long been invaluable during wartime. During the Civil War, David Homer Bates and his team of three others helped the Union decipher Confederate codes. https://t.co/FUR4iAMbR6 #DCHistory Secret code systems have long been invaluable du…
— Kenneth Samson (@PangurBanC) Oct 20, 2021
from Twitter https://twitter.com/PangurBanC
October 20, 2021 at 01:48PM
via PangurBanC
https://linktr.ee/samsonkg
