@ossobuco,
Okay, dadgummit, farmerman.
Here's washington via npr link - map from 1797 -
note the triangulation from white circle or building blotch... indeed, several..
Here's Versailles -
Here's the Rome goosefoot -
That doesn't chase down the obelisks, as it happens.
Eh, I've annotations, but care less than I used to re following all this.