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The Mayas built Tikal and had an advanced knowledge of astronomy, giving them the ability to make a calendar.
Mae Jemisons biggest accomplishment was being the first African American woman in space.
Not to everyone.
The American Civil War
Fighting the American Revolution
fighting the american revolution
Fighting the American Revolution
Fighting the American Revolution
fighting the american revolution
Fighting the American Revolution
Fighting the American Revolution
He was the first African-American president in U.S. history.