Russian Troops Arrive at the Border Between Syria and Israel – Militarnyi Like this:Like Loading... Post navigation TIL the ‘All Red Line’ was a system of electrical telegraphs that linked much of the British Empire from 1902. 8,000 tonnes of cable was needed to complete the longest section from Canada to a Pacific island. On completion, 49 cable cuts would be needed to isolate the United KingdomDispatch Episode 4 was the best one so far