Tartary was once labeled on maps as a vast territory stretching from the Caspian to the Pacific. It even appeared in the 1771 Encyclopaedia Britannica. By the 1

Tartary was once labeled on maps as a vast territory stretching from the Caspian to the Pacific. It even appeared in the 1771 Encyclopaedia Britannica. By the 19th century, the name had largely vanished from maps. What changed? [▻](https://video.twimg.com/amplify_video/2088205960842035200/vid/avc1…