RT @DrBCCurtis: The #SenghenyddDisaster occurred #OnThisDay in 1913, when an underground explosion ripped through Universal Colliery, #Senghenydd. It killed 440 men and boys (including one rescuer) and remains Britain's worst-ever mining disaster.
🐦🔗: https://nitter.eu/WayneDavid_MP/status/1580828988301508608