Retrograde in History · 1839

Treaty of London

On April 19, 1839, Mercury was mid-loop — retrograde in Taurus, tracing backward through 10°58′ of the sign.

WhenApril 19, 1839♉︎Taurus 10°58′Rx windowApr 17 – May 11, 1839
Mercury retrograde♉︎TaurusWikipedia
The record

treaty signed on 19 April 1839

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.