Channel Tunnel
Origins
Proposals and attempts
Key dates
1802
Albert Mathieu put forward a cross-Channel tunnel proposal.
1875
The Channel Tunnel Company Ltd began preliminary trials
1882
The Abbot’s Cliff heading had reached 897 yards (820 m) and that at Shakespeare Cliff was 2,040 yards (1,870 m) in length
January 1975
A UKrance government backed scheme that started in 1974 was cancelled
February 1986
The Treaty of Canterbury was signed allowing [...]