The 30th president of the USA was born on 4th of July, who was he?
(1) Herbert Hoover,  (2) Harry S Truman,  (3) Calvin Coolidge,  (4) Franklin D Roosevelt,  (5) William Howard Taft.

Calvin Coolidge was born on 4th of September, 1872. He was elected as the 29th Vice President in 1920 and succeeded to the Presidency upon the sudden death of Warren G. Harding in 1923. Elected in his own right in 1924, he gained a reputation as a small-government conservative, and also as a man who said very little.

Who was the first Black President of the USA and in which year?
President Barak Obama, 2008-2012. He ran another term also - 2012-1016.

Which U.S. President once gambled away the White House china while playing cards?
(1) George W Bush,  (2) John F Kennedy,  (3) Richard M Nixon,  (4) Warren G Harding

Warren G. Harding was the 29th President of the United States and a keen poker player, who once gambled away on a single hand an entire set of White House china dating back to Benjamin Harrison.

What is the Secret Service code name for President Barack Obama?
(1) Trailblazer,  (2) Renegade,  (3) Eagle,  (4) Phoenix

The United States Secret Service uses code names for US presidents, first ladies, and other prominent persons and locations. The use of such names was originally for security purposes and dates to a time when sensitive electronic communications were not routinely encrypted; today, the names simply serve for purposes of brevity, clarity, and tradition. Barack Obama's is "Renegade," Michelle Obama's is "Renaissance," Malia Obama's is "Radiance," and Sasha Obama's is "Rosebud."