Retrograde in History · 1941

Kragujevac massacre

On October 21, 1941, Mercury was mid-loop — retrograde in Scorpio, tracing backward through 9°40′ of the sign.

WhenOctober 21, 1941♏︎Scorpio 9°40′Rx windowOct 15 – Nov 5, 1941
Mercury retrograde♏︎ScorpioWikipedia
The record

1941 massacre by Nazi forces in Serbia

Born inside this same window

Coincidence, not causation: the date is real and ephemeris-based, but a retrograde window is observed, never blamed. For entertainment, not navigation.