Retrograde in History · 1886
Plessy v. Ferguson
On April 13, 1886, Mercury was mid-loop — retrograde in Aries, tracing backward through 16°03′ of the sign.
WhenApril 13, 1886♈︎Aries 16°03′Rx windowMar 30 – Apr 22, 1886
The record
In 1896 the U.S. Supreme Court ruled in Plessy v. Ferguson that racial segregation laws were constitutional provided facilities were equal, establishing the 'separate but equal' doctrine.
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.