In the mid-1800's, what was known as the American Civil War; the northern U.S. and the southern Confederate States of America entered a war over slavery, with the north winning and slavery being abolished.
The United States entered both World War I and World War II on the side of the Allies. From the end of World War II until 1991, the U.S. fought the Soviet Union in the Cold War. The two major wars in the Cold War included the Korean War and the Vietnam War.
For events that took place in the modern era please see the category below;
- See also: Category:U.S. States
- See also: American Cities
- See also: American Frontier Towns
Points of Interest
- See also: Category:United States of America
- See also: Category:Americans
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