Episode 1 of 2

Galleries Meet

When
26 December 1870
Where
Fréjus Rail Tunnel
Part of
Fréjus Rail Tunnel through the Alps completed

French and Italian workers shook hands on 26 December 1870 as the tunnel galleries met halfway, with alignment accurate to 40 cm horizontally and 60 cm vertically.

The meeting of the two construction teams was recorded with a handshake between the French and Italian workers. The galleries were aligned to about 40 centimeters horizontally and 60 centimeters vertically. The project had commenced in August 1857, and the tunnel did not open to traffic until 17 September 1871.

Sources

  1. Fréjus Rail Tunnel Wikipedia, revision of 2026-07-23

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.