Retrograde in History · 1956

1956 Indianapolis 500

On May 30, 1956, Mercury was mid-loop — retrograde in Gemini, tracing backward through 2°18′ of the sign.

WhenMay 30, 1956♊︎Gemini 2°18′Rx windowMay 14 – Jun 7, 1956
Mercury retrograde♊︎GeminiLeap yearWikipedia
The record

On May 30, 1956, the 40th running of the Indianapolis 500 became the first race governed by the United States Automobile Club following the AAA's withdrawal from auto racing.

Born inside this same window
More from this window · May 14 – Jun 7, 1956

Coincidence, not causation: the date is real and ephemeris-based, but a retrograde window is observed, never blamed. For entertainment, not navigation.