No US president took office in 1920. Warren Harding was elected in 1920 and took office in March of 1921.
Gerald Ford took office after Richard M Nixon resigned.
He was 65 when he took office as president.
The first US president took office in 1789.
James madison took office as president in 1809
Woodrow Wilson was president until March 4,1921 when Warren Harding took office, so I guess you would say that Harding is the second president of the 1920's. Harding was followed by Coolidge and Hoover.
The Korean War started when President Harry S. Truman was in office. President Dwight D. Eisenhower took office near the end of the conflict.
Franklin D. Roosevelt was elected U. S. President in 1932, but he didn't become president until March 1933.
1943
The vice-president Calvin Coolidge, took office after Harding died.
President Roosevelt related decrypted Soviet information on the Verona intercepts to Vice-President Truman when he took office.
timeline
He took office in 1953.