Answer: Leonardo da Vinci
In addition to being Leonardo da Vinci's most famous work, the Mona Lisa is also one of the most precious works of art of all time.

Answer: Blue whale
The blue whale is not only the largest sea animal, but also the largest animal in the world.

Answer: George Washington
George Washington was the first President of the United States. He served as President from 1789 - 1797.

Answer: U.S.A.
Madonna was born on August 16, 1958 in Bay City, Michigan, United States.

Answer: Bill Clinton
During President Bill Clinton's administration, Al Gore served as the Vice President of the United States. He held that post from 1993 to 2001.

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: Greece
The Olympic Games began in Greece. As far back as 776 BC, ancient Olympic Games were being staged in the Greek city of Olympia. In 1896, Athens (the largest city in Greece) hosted the first modern-day Olympic Games.

Answer: 4
The Beatles was a rock band from England made up of four members, namely John Lennon, George Harrison, Ringo Starr and Paul McCartney.

Answer: Asia
Israel (also known as the State of Israel) is located in Western Asia.

Answer: 366
The normal calendar year has 365 days. However, a leap year has an additional day, thereby giving it 365 days.