@Jackcooper@lemmy.world to Asklemmy@lemmy.ml • 2 years agohow did military commanders in olden times send instructions across hundreds of miles without concern of forgery or interception?message-square19fedilinkarrow-up165arrow-down11file-text
arrow-up164arrow-down1message-squarehow did military commanders in olden times send instructions across hundreds of miles without concern of forgery or interception?@Jackcooper@lemmy.world to Asklemmy@lemmy.ml • 2 years agomessage-square19fedilinkfile-text
Let me know if there is a better community for this type of question. I am still learning my way around.
Carrier pigeons? Idk.