Retrograde in History · 1817
Battle of Chacabuco
On February 12, 1817, Mercury was mid-loop — retrograde in Aquarius, tracing backward through 16°18′ of the sign.
WhenFebruary 12, 1817♒︎Aquarius 16°18′Rx windowJan 31 – Feb 21, 1817
The record
On 12 February 1817, José de San Martín’s Army of the Andes defeated a Spanish force led by Rafael Maroto at the Battle of Chacabuco, dealing a significant blow to the royalist government of the Captaincy General of Chile.
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.