Retrograde in History · 1961

European Social Charter

On October 18, 1961, Mercury was mid-loop — retrograde in Scorpio, tracing backward through 4°12′ of the sign.

WhenOctober 18, 1961♏︎Scorpio 4°12′Rx windowOct 10 – Oct 31, 1961
Mercury retrograde♏︎ScorpioWikipedia
The record

1961 Council of Europe treaty

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.