Retrograde in History · 1920
Bloody Sunday
On November 21, 1920, Mercury was mid-loop — retrograde in Scorpio, tracing backward through 17°38′ of the sign.
WhenNovember 21, 1920♏︎Scorpio 17°38′Rx windowNov 5 – Nov 25, 1920
The record
British attack at Croke Park, Dublin, during the Irish War of Independence
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.