Mumby, which was in turn inspired by another member's challenge to write a rationalized version of a game of Risk. This balkanized North America features a world where the Thirteen Colonies went their own way after their war of independence and eventually stabilized into four different states, each with its own unique government. Flash forward to 1920, a major war has just ended and the Carolina jugernaut has been broken. Western and southern North America is a mess and their are plenty of flash points waiting to spark another major war.
I especially like this map for the African colonies. Without a large federal government, the states probably would have pursued such an avenue of expansion, especially the ones cut off from the West. I applied the same logic when I contributed to "Out of One, Many" on the AltHistory Wiki.
Honorable mentions go to Newcastle's Independence Eve marketing campaign and this bogus map of ISIS's territory goals. If you want to submit a map for consideration for the next Map Monday, email me at ahwupdate at gmail dot com with your map attached and a brief description in the body of the email.
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Matt Mitrovich is the founder and editor of Alternate History Weekly Update and a blogger on Amazing Stories. Check out his short fiction. When not writing he works as an attorney, enjoys life with his beautiful wife Alana and prepares for the inevitable zombie apocalypse. You can follow him on Facebook or Twitter.