Answer:
April 12, 1945 – January 20, 1953
Step-by-step explanation:
Truman became President of the United States upon the death of Franklin D. Roosevelt, and ended on January 20, 1953. He had been Vice President of the United States for only 82 days when he succeeded to the presidency. A Democrat from Missouri, he ran for and won a full four–year term in the 1948 election.