Russia begins the Transcaucasus Railway, linking the Black Sea to the Caspian
In 1865, workers broke ground at Poti on the Black Sea coast, beginning the Transcaucasus Railway — the first railway ever built in the South Caucasus. Reaching Tbilisi by 1872 and Baku by 1883, the line carved a path through mountains that had defeated wheeled transport for centuries, stitching together a region whose rail corridors still shape Eurasian trade today.
