Things Leonhard Euler created ( most of math ( overlapping circle diagrams ) a cricket bowling machine ) Things John Venn created
Euler Diagrams [Explained]

seen from Malaysia

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seen from South Korea

seen from China

seen from United States
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seen from United States

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Things Leonhard Euler created ( most of math ( overlapping circle diagrams ) a cricket bowling machine ) Things John Venn created
Euler Diagrams [Explained]
An Improved Euler Diagram Map of the British and Irish Isles
The Euler diagram-map of the British Isles.
Lesson #1103 - Common Ground, by Dante Shepherd
From the indispensably awesome website Surviving the World.
By the way, if you think he's making that up, you can go here, and see for yourself.
Also, for anyone who doesn't know, this kind of chart - as I've mentioned before - is NOT a Venn diagram; it's an Euler diagram.
I know, I know: This is a lost cause. I'm still going to fight for it til my dying breath.
Venn Diagrams vs Euler Diagrams
Ok, people. A Venn diagram requires that all possible overlaps of the included sets be represented. A Euler diagram does not. You will find that most clever charts claiming to be Venn diagrams are actually Venn diagrams.
Venn Diagram:
Euler Diagram: