Retrograde in History · 1945
demon core
On August 21, 1945, Mercury was mid-loop — retrograde in Leo, tracing backward through 26°27′ of the sign.
WhenAugust 21, 1945♌︎Leo 26°27′Rx windowAug 6 – Aug 30, 1945
The record
historical subcritical mass of plutonium
Born inside this same window
More from this window · Aug 6 – Aug 30, 1945
Coincidence, not causation: the date is real and ephemeris-based, but a retrograde window is observed, never blamed. For entertainment, not navigation.