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Introduction:
 
I hope you remember there are seven continents. They are North America, South America, Europe, Asia, Antarctica, Australia and Africa. Last year we studied about Asia and Europe. Similarly, this year we will be learning about the continents of North America and South America.
 
Discovery of North America:
 
North and South America together called Americas. North & South America are also called the "New World" because European explorers discovered them only in the late \(15\)th century. They are new only to the European explorers but old to the indigenous people living there.
 
Christopher Columbus Statue at Dominican Republic.jpg
Christopher Columbus Statue at Dominican Republic
 
While trying to find a new sea route to India, Christopher Columbus - an Italian explorer and navigator, discovered North America in \(1492\). Columbus set sail from Spain aboard three ships: the Nina, Pinta, and Santa Maria. On August 3, 1492, the Italian explorer Christopher Columbus set out from Palos de la Frontera, Spain, with a crew of 90 men and three ships—the Nia, Pinta, and Santa Maria.
 
Image of the Columbus travelled ships Nia, Pinta, and Santa Maria.jpg
Image of the Columbus travelled ships: Nia, Pinta, and Santa Maria
 
But, the landmass was named after Italian explorer Amerigo Vespucci who landed there in \(1507\).
 
Amerigo Vespucci.jpg
Amerigo Vespucci (1454 - 1512)
 
Though we give Columbus the credits of discovering America, there were plenty of native people living there already. Native people includes many native tribes in the USA and the Aztec civilisation in Mexico.

The Landing of Columbus, October 11, 1492, in America.jpg
The Landing of Columbus, October 11, 1492, in America
 
As the name suggests, North America lies entirely in the Northern hemisphere. It also lies entirely in the Western hemisphere. Being the third-largest (or fifth smallest) continent in the world, it covers an area of \(24,709,000 \)sq. km, i.e.\( 16.50%\) of the entire land area on the earth.
 
North America's mainland is roughly in the shape of an inverted triangle with its base in the North and tip pointing towards the south.
 
In the upcoming lessons, we will explore the North America's location, boundary and political divisions of North America and South America.