At 78 and the oldest president, Biden sees a world changed
over 4 years in Jamaica Observer
WASHINGTON (AP) — When Joe Biden took the oath of office as the 46th president, he became not only the oldest newly inaugurated US chief executive in history but also the oldest sitting president ever.Biden was born November 20, 1942, in Scranton, Pennsylvania. He was 78 years, two months and one day old when he was sworn in on Wednesday. That's 78 days older than President Ronald Reagan was when he left office in 1989.