Retrograde in History · 1961

Paris massacre of 1961

On October 17, 1961, Mercury was mid-loop — retrograde in Scorpio, tracing backward through 5°09′ of the sign.

WhenOctober 17, 1961♏︎Scorpio 5°09′Rx windowOct 10 – Oct 31, 1961
Mercury retrograde♏︎ScorpioWikipedia
The record

a crime committed in 1961 by the French National Police against hundreds of French Algerians, which was kept secret for decades

Born inside this same window
More from this window · Oct 10 – Oct 31, 1961

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