4 Miners Dies in Flooded Mine

The community is paying respects with floral tributes after a tragic event involving miners. A picture of the youngest miner, Gary Jenkins, has been released. Formal identification of the four men will occur later, and a tribute will be held before a Swansea City game. The community is familiar with such tragedies, having experienced a similar mining disaster nearly 100 years ago.

What historical event is referenced in relation to the current tragedy?

How many minors were drowned in the similar tragedy mentioned?