Retrograde in History · 2015
2015 Canadian Grand Prix
On June 7, 2015, Mercury was mid-loop — retrograde in Gemini, tracing backward through 5°16′ of the sign.
WhenJune 7, 2015♊︎Gemini 5°16′Rx windowMay 19 – Jun 11, 2015
The record
On 7 June 2015 the Formula 1 Grand Prix du Canada was held at the Circuit Gilles Villeneuve in Montreal, marking the 52nd running of the event and the seventh round of the 2015 World Championship.
More from this window · May 19 – Jun 11, 2015
Coincidence, not causation: the date is real and ephemeris-based, but a retrograde window is observed, never blamed. For entertainment, not navigation.