Retrograde in History · 2018

2018 Algerian Air Force Il-76 crash

On April 11, 2018, Mercury was mid-loop — retrograde in Aries, tracing backward through 5°27′ of the sign.

WhenApril 11, 2018♈︎Aries 5°27′Rx windowMar 23 – Apr 15, 2018
Mercury retrograde♈︎AriesWikipedia
The record

military aircraft crash in which 257 people including civilian passengers were killed

More from this window · Mar 23 – Apr 15, 2018

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