This is the case because it was in this year that the idea of writing dates without abreviations like B.C and A.D etc. was intraduced by Pope Gregory XIII in 1582.
For example, if we were to write this years date with abbrevation it would be 2020 C.E (the abbreviationindicates periods after Christ Era), that is, tweenty thousand and twenty years after Christ Era.
Halting nuclear development would have been extremely difficult, because a lot of the world was trying to catch on to the metaphoric nuclear weapons train.
