My grandfather on my mother’s side was born in 1900. That is some 18 months before the end of the Boer War.
That is 120 years ago.
Yet how many people living now would of ever met anyone who was involved in that particular war?
In contrast we still note what happened during World War One, but very few young people would of meet anyone with memories of that conflict.
I was lucky enough to know a number of the extremely brave COs of WW1.
We think of what happened 120 years ago as history, but it is going to take that long to complete decommissioning some of the nukiller power plants.
That is way before any of the radioactive waste becomes safe to handle.
Thus if anyone asks you about decommissioning, just mention the year 1902, and tell them about this.