Retrograde in History · 1903
May Coup
On May 29, 1903, Mercury was mid-loop — retrograde in Gemini, tracing backward through 14°31′ of the sign.
WhenMay 29, 1903♊︎Gemini 14°31′Rx windowMay 22 – Jun 15, 1903
The record
On the night of 10–11 June 1903, Serbian army officers led by Captain Dragutin Dimitrijević assassinated King Alexander I and Queen Draga inside the Stari Dvor, ending the Obrenović dynasty and placing King Peter I of the Karađorđević dynasty on the throne.
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.