1. Kennedy was 43-years-old when he became President, the youngest ever elected but Theodore Roosevelt was younger when he became President on the death of William McKinley in 1901.
2. He was 46-years-old when he died, the youngest age at which any US President died.
3. Kennedy was wounded in action in 1943 when his patrol torpedo boat PT-109 was sunk by the Japanese. He was awarded a Purple Heart for his bravery, the only US President to win that award.
4. JFK reportedly lived off a $10million trust fund thanks to the vast wealth of his father, Joseph P Kennedy Sr.
5. He was the last US President to wear a top hat for his inauguration.
6. In February 1962, he bought 1,200 Cuban cigars just before banning all trade with Cuba.
7. Kennedy wore corrective shoes as one of his legs was longer than the other.
8. Kennedy was the first, and still the only, Roman Catholic to become US President.
9. CS Lewis, author of the Narnia books, died on the same day as John F Kennedy.
10. Kennedy is believed to have had the largest hat size of any American President, 7 5/8.