What is the difference between Height and Length? Definition: Height is the measurement of something from base to top. Length is the measurement or extent of the longest side of an object. Vertical vs Horizontal: Height measures a vertical distance. Length measures a horizontal distance. One dimensional Objects:
Ages Of US Presidents. John F. Kennedy is the youngest-ever elected president, aged 43. However, Theodore Roosevelt is the youngest person to ever become president. He was 42 when he succeeded to the presidency, following the assassination of McKinley. Ronald Reagan is the oldest person ever to be elected president. He was 69.
Eisenhower was the last president born in the 19th century, and at age 62, was the oldest man elected President since James Buchanan in 1856 (President Truman stood at 64 in 1948 as the incumbent president, having succeeded to the Presidency in 1945 upon the death of Franklin Roosevelt).