Four Color Theorem

The Four Color Map Theorem - Numberphile

The Four Colour Theorem

The 4 Colour Theorem Explained

The Science Biome

Math's Map Coloring Problem - The First Proof Solved By A Computer

Quanta Magazine

Why is 4-color theorem easier on a torus?

The Four Color Theorem - What Counts as a Proof?

Four Color Theorem (extra footage) - Numberphile

Graph Theory 8: Four Color Theorem (Kempe's Proof)

Math at Andrews University

A Colorful Unsolved Problem - Numberphile

The Four Color Theorem

Martin Butler's Journey Through Dangerous Ideas

What Is The Four Color Theorem?

The Four-Colour Theorem

The Four Color Theorem

Coloring Maps Using Graphs & the Four Color Problem

A simple "proof" of the Four Color Theorem (April fool's day video)

BPR programme: participant Georges Gonthier explains "Four colour theorem"

Isaac Newton Institute for Mathematical Sciences

the four color theorem

Shri Ram Programming Academy

An Exploration of the Four Color Theorem

Virtual CSA Day

Four color theorem

Magic: the Gathering's 4 Color Problem