282
"The Histomap" by John B. Sparks, published 1931
(www.visualcapitalist.com)
It is certainly not perfect, but still an impressive piece of work.
And here is a version embedded in a web page so it scales to your browser window's width.
The empire, long divided, must unite; long united, must divide. Thus it has ever been.
-Romance of the Three Kingdoms