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.
William Henry Harrison. William Henry Harrison was the 9th President of the United States of America. Elected by the Whig party, he served as the president for one month in 1841 before dying of pneumonia. At 68, he was the oldest person elected president before Ronald Reagan in 1980, and he also served the shortest term of any president.