13 Interesting facts about United States
The United States has the world's fourth-longest river system.
The United States has the world's largest economy.
A 17-year-old created the present flag.
The United States is indeed the world's third biggest country by landmass, approximately as huge as the whole continent of Europe.
Athletes from the United States have claimed most Olympic medals than sportsmen from any other nation.
Lake Superior, on the border between the United States and Canada, is the world's biggest body of freshwater by surface area. The lake has an area of 31,700 square miles.
George Washington didn't even live in the White House for the first time.
There are many more cows than humans in certain states.
Abraham Lincoln was the tallest president.
Ronald Reagan was the oldest President to have served.
Philadelphia was the first capital of the United States.
Harvard was the United States' first university.
Russia sold Alaska to the U.s for pennies on the dollar.
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