Do you know the first worst railway disaster?

The world's first railway disaster occurred at Saint-Michel-de-maurienne in France on 12th December 1917. A packed troop train was carrying 1025 soldiers in Italian carriages weighing 526 tons behind a single locomotive. The maximum permitted load for the locomotive was 144 tons. Driver Louis Girard was unwilling to proceed but was unable to act against military commands. Of the 543 dead who could be accounted for in the wreckage 135 could not be identified. the driver miraculously survived and was freed of all blames.