Retrograde in History · 1972
Biological Weapons Convention
On April 10, 1972, Mercury was mid-loop — retrograde in Aries, tracing backward through 4°16′ of the sign. The dates are computed from the real ephemeris; the cosmic verdict is offered in good fun.
WhenApril 10, 1972♈︎Aries 4°16′Rx windowMar 21 – Apr 14, 1972
The record
treaty banning production of bioweapons
Born inside this same window
More from this window · Mar 21 – Apr 14, 1972
Coincidence, not causation: the date is real and ephemeris-based, but a retrograde window is observed, never blamed. For entertainment, not navigation.