Retrograde in History · 1956

CMR Convention

On May 19, 1956, Mercury was mid-loop — retrograde in Gemini, tracing backward through 7°56′ of the sign.

WhenMay 19, 1956♊︎Gemini 7°56′Rx windowMay 14 – Jun 7, 1956
Mercury retrograde♊︎GeminiLeap yearWikipedia
The record

Convention on the Contract for the International Carriage of Goods by Road

Born inside this same window
More from this window · May 14 – Jun 7, 1956

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