apr 18, 1913 - 1913 620 mines across britain produced 287 million tons of coal ------------------------------------------------------------------------------------- Miners start taking caged canaries into mines to alert them to the presence of poisonous gas. ------------------------------------------------------------------------------------- Explosion at universal colliery in senghenydd near caerphilly killed 439 miners- the worst mining accident in history.
Added to timeline:
Date:
apr 18, 1913
Now
~ 112 years ago