Retrograde in History · 2009

2009 Spanish Grand Prix

On May 10, 2009, Mercury was mid-loop — retrograde in Gemini, tracing backward through 1°18′ of the sign.

WhenMay 10, 2009♊︎Gemini 1°18′Rx windowMay 7 – May 31, 2009
Mercury retrograde♊︎GeminiWikipedia
The record

Formula One motor race held in 2009

More from this window · May 7 – May 31, 2009

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