Retrograde in History · 2015
Umpqua Community College shooting
On October 1, 2015, Mercury was mid-loop — retrograde in Libra, tracing backward through 6°08′ of the sign.
WhenOctober 1, 2015♎︎Libra 6°08′Rx windowSep 17 – Oct 9, 2015
The record
American mass shooting event in 2015
More from this window · Sep 17 – Oct 9, 2015
Coincidence, not causation: the date is real and ephemeris-based, but a retrograde window is observed, never blamed. For entertainment, not navigation.