The United States has not had 56 presidents yet. President Obama is the 44th U.S. president. There have been 43 men who served as president, one of whom (Grover Cleveland) was elected to two non-consecutive terms, making him the 22nd and 24th president.
Abraham Lincoln (1809-1865) was 56 years old when he was assassinated.
56 US fluid ounces = 0.4375 US gallons
US President Abraham Lincoln was age 52 at his first inaugural in 1861.
Andrew Johnson was never elected President. He was elected Vice-President under Abraham Lincoln, and ascended to the presidency due to Lincoln's assassination in April 1865. He was 56 years old when he became US President.
56 liters = 14.794 US gallons
George Washington was elected president at 56 and sworn in at 57, Woodrow Wilson was elected at 55 and sworn in at 56. Both were born in Virginia.
He was 56.
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1 US fluid ounce = 0.125 US cups 56 US fluid ounces = 7.0 US cups