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Patient Zero
The first person to become infected did so by eating a radioactive twinkie. -
Period: to
Zombie Take-over
The time it took for zombies to take-over United States -
New York City over-taken
Zombie virus spread within the city of New York till the point when the entire city is made up of zombies -
Zombies cross the Mississipi River
Infestation spread across the country crossing the Mississippi River on Christmas Day 2020. -
Zombies reach west coast of U.S.
Infection continues across the country rapidly until it reaches the west coast of the United States. -
Zombie take-over of United States
The zombie take-over of the U.S. is completed on Halloween of 2030. The United States is united as zombies.