On that day of June 30th in 1908 an explosion of such an immense force was heard in the very heart of Eastern Siberia, as if a nuclear bomb of 20 Megatons TNT equivalent exploded over the territory that is presently known to be called Evenkia. The whole planet became a witness of the manifestations that preceded and followed the event. In a way, this event turned out to be the overture of other global and geocosmical catastrophes of the XX century