US presidential poll 2016: Here are 10 interesting facts you need to know

The battle to elect the next president of the United States has gained momentum. Texas Senator Ted Cruz handed a shock defeat to controversial presidential contender Donald Trump in the Iowa Republican caucuses while in the Democratic camp both Hillary Clinton and Bernie Sanders claimed victories as the race for the White House kicked off from Iowa on February 1.

Here are the important facts you need to know about the presidents of America

• Only 12 US presidents served for two terms.

• Franklin D. Roosevelt is the only president who served as president for 4 times before the 22nd amendment in 1947.

• John F Kennedy who served as 35th president of US is the youngest elected to the office. He became president at the age of 43.

• Ronald Reagan, originally an American actor and politician, is the oldest elected US president at 73.

• Abraham Lincoln at 6'4″ was the tallest while James Madison at 5'4″ was the shortest in height president of the US

• James Buchanan, the 15th President of US, is the only bachelor to be elected president.

• Eight presidents including Abraham Lincoln, Franklin D Roosevelt, John F. Kennedy have died in office.
• Ronald Reagan is the only divorced man to be elected president of US.

• President Bill Clinton was born William Jefferson Blythe but took his stepfather's last name when his mother remarried. He formally changed his name to William Jefferson Clinton when he was 15.

• Martin Van Buren was the first natural-born American to become president in 1837.