Answer: U.S.A. In 2004, Mark Zuckerberg, Chris Hughes, Andrew McCollum, Eduardo Saverin and Dustin Moskovitz founded the famous social networking site Facebook in Cambridge, Massachusetts, United States.
Answer: 7 The world has seven continents. They are Africa, Europe, Antarctica, North America, Asia, South America and Australia (also known as Oceania).
Answer: Michelle Obama After her husband Barack Obama became the 44th U.S. President in 2009, Michelle Obama became the first African-American to become First Lady of the United States. She was First Lady from 2009 to 2017.
Answer: Milky Way The Milky Way galaxy is just one of the billions of galaxies that exist in this universe. The Solar System (which includes the Earth) is located in this galaxy.