List the years that Truman was President?

In 1948.

45-53

The 33rd President of the United States was Harry S. Truman from April 12, 1945 to January 20, 1953

The 33rd President of the United States was Harry S. Truman from April 12, 1945 to January 20, 1953

The 33rd President of the United States was Harry S. Truman. President Truman served from April 12, 1945 to January 20, 1953