List of presidents of the United States by age
The median age upon accession to the presidency is 55 years and 3 months. This is how old Lyndon B. Johnson was at the time of his inauguration. The youngest person to assume the office was Theodore Roosevelt, who became president at the age of , following William McKinley's assassination; the oldest was Donald Trump, who was old at his inauguration. The youngest person to be elected president was John F. Kennedy, at of age on election day; the oldest was Ronald Reagan, who was old at the time of his election to a second term.
George Washington
George Washington (February 22, 1732 – , 1799) was an American political leader, military general, statesman, and Founding Father who served as the first president of the United States (1789–1797). He commanded Patriot forces in the new nation's vital American Revolutionary War and led them to victory over the British. Washington also presided at the Constitutional Convention of 1787, which established the new federal government. For his manifold leadership during the American Revolution, he has been called the "Father of His Country".