Calvin_And_Hobbes: 2020-06-20.1
Garfield: 2020-06-20.1
Wizard_of_Id: 2020-06-20.1
Dilbert: 2020-06-20.1
BC: 2020-06-20.1
xkcd: "ISO Paper Size Golden Spiral" 2020-06-19.1
The ISO 216 standard ratio is cos(45°), but American letter paper is 8.5x11 because it uses radians, and 11/8.5 = pi/4.
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