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.
1 In 1984 President Ronald Reagan became the oldest US presidential candidate, when he successfully ran for re-election. 2  He turned 73 that February. 3  In 1996 Senator Bob Dole became the oldest US presidential candidate to run for a first term. 4  He turned 73 that July.