Retrograde in History · 1920

Treaty of Rapallo

On November 12, 1920, Mercury was mid-loop — retrograde in Scorpio, tracing backward through 28°22′ of the sign.

WhenNovember 12, 1920♏︎Scorpio 28°22′Rx windowNov 5 – Nov 25, 1920
Mercury retrograde♏︎ScorpioLeap yearWikipedia
The record

1920 treaty between Italy and Kingdom of Serbs, Croats and Slovenes

Born inside this same window
More from this window · Nov 5 – Nov 25, 1920

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