Retrograde in History · 1707
Acts of Union 1707
On April 30, 1707, Mercury was mid-loop — retrograde in Taurus, tracing backward through 17°38′ of the sign.
WhenApril 30, 1707♉︎Taurus 17°38′Rx windowApr 25 – May 18, 1707
The record
Acts of Parliament creating the United Kingdom of Great Britain
Coincidence, not causation: the date is real and ephemeris-based, but a retrograde window is observed, never blamed. For entertainment, not navigation.