Retrograde in History · 1853

Battle of Sinop

On November 30, 1853, Mercury was mid-loop — retrograde in Sagittarius, tracing backward through 18°27′ of the sign.

WhenNovember 30, 1853♐︎Sagittarius 18°27′Rx windowNov 25 – Dec 14, 1853
Mercury retrograde♐︎SagittariusWikipedia
The record

On 30 November 1853, a Russian squadron led by Admiral Pavel Nakhimov decisively defeated an Ottoman fleet anchored in the harbor of Sinop, a port on the southern Black Sea.

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.